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Finding the Fourth Proportional to 9,059.31, 12,502.76 and 5,910.03

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Solution

The fourth proportional to 9,059.31, 12,502.76 and 5,910.03 is: 8,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,059.31 : 12,502.76 = 5,910.03 : x
  2. Step 2: Convert to fraction form
    9,059.31/12,502.76 = 5,910.03/x
  3. Step 3: Cross multiply
    9,059.31x = 12,502.76 × 5,910.03
  4. Step 4: Simplify right side
    9,059.31x = 73,891,657.13
  5. Step 5: Solve for x
    x = 73,891,657.13/9,059.31
  6. Step 6: Final answer
    x = 8,156.43

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.