Finding the Fourth Proportional to 9,171.38, 13,757.09 and 3,327.99
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Solution
The fourth proportional to 9,171.38, 13,757.09 and 3,327.99 is: 4,991.99
Step by Step Solution
- Step 1: Write the proportion equation
9,171.38 : 13,757.09 = 3,327.99 : x - Step 2: Convert to fraction form
9,171.38/13,757.09 = 3,327.99/x - Step 3: Cross multiply
9,171.38x = 13,757.09 × 3,327.99 - Step 4: Simplify right side
9,171.38x = 45,783,441.31 - Step 5: Solve for x
x = 45,783,441.31/9,171.38 - Step 6: Final answer
x = 4,991.99
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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.