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Finding the Fourth Proportional to 8,560.65, 12,845.04 and 5,932.20

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Solution

The fourth proportional to 8,560.65, 12,845.04 and 5,932.20 is: 8,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.65 : 12,845.04 = 5,932.20 : x
  2. Step 2: Convert to fraction form
    8,560.65/12,845.04 = 5,932.20/x
  3. Step 3: Cross multiply
    8,560.65x = 12,845.04 × 5,932.20
  4. Step 4: Simplify right side
    8,560.65x = 76,199,346.29
  5. Step 5: Solve for x
    x = 76,199,346.29/8,560.65
  6. Step 6: Final answer
    x = 8,901.12

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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.