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Review of the proportion and cross products. A proportion is an equation stating that two ratios are equal. The products ad and cb are called the cross products.

Find x in the following ratios:

	x	=	4	=>    x =
	9		7

---------o0o---------

	6	=	x	=>    x =
	6		9

---------o0o---------

	4	=	8	=>    x =
	x		5

---------o0o---------

	4	=	3	=>    x =
	7		x

  

---------o0o---------

Your Previous Answers and Results :

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Question	Your answer	Correct answer	Your award
x		2