Unit 4B - Solving Proportions (including multiple terms)

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What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

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How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and then isolate the variable.

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What is cross-multiplication?

Back

Cross-multiplication is a method used to solve proportions by multiplying the numerator of one ratio by the denominator of the other ratio.

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Back

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x = 10

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x = 6

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Back

x = 0, -15

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x = 10

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Back

x = 8

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Back

The first step is to cross-multiply.