Finding the Fourth Proportional to 8,901.48, 13,354.99 and 6,437.19
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Solution
The fourth proportional to 8,901.48, 13,354.99 and 6,437.19 is: 9,657.79
Step by Step Solution
- Step 1: Write the proportion equation
8,901.48 : 13,354.99 = 6,437.19 : x - Step 2: Convert to fraction form
8,901.48/13,354.99 = 6,437.19/x - Step 3: Cross multiply
8,901.48x = 13,354.99 × 6,437.19 - Step 4: Simplify right side
8,901.48x = 85,968,608.08 - Step 5: Solve for x
x = 85,968,608.08/8,901.48 - Step 6: Final answer
x = 9,657.79
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.