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Finding the Fourth Proportional to 8,324.70, 12,487.05 and 6,105.92

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Solution

The fourth proportional to 8,324.70, 12,487.05 and 6,105.92 is: 9,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.70 : 12,487.05 = 6,105.92 : x
  2. Step 2: Convert to fraction form
    8,324.70/12,487.05 = 6,105.92/x
  3. Step 3: Cross multiply
    8,324.70x = 12,487.05 × 6,105.92
  4. Step 4: Simplify right side
    8,324.70x = 76,244,865.90
  5. Step 5: Solve for x
    x = 76,244,865.90/8,324.70
  6. Step 6: Final answer
    x = 9,158.88

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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.