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Finding the Fourth Proportional to 8,332.62, 12,500.56 and 3,947.70

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Solution

The fourth proportional to 8,332.62, 12,500.56 and 3,947.70 is: 5,922.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.62 : 12,500.56 = 3,947.70 : x
  2. Step 2: Convert to fraction form
    8,332.62/12,500.56 = 3,947.70/x
  3. Step 3: Cross multiply
    8,332.62x = 12,500.56 × 3,947.70
  4. Step 4: Simplify right side
    8,332.62x = 49,348,460.71
  5. Step 5: Solve for x
    x = 49,348,460.71/8,332.62
  6. Step 6: Final answer
    x = 5,922.32

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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.