Home / 7,622.87-11,432.24-2,691.86

Finding the Fourth Proportional to 7,622.87, 11,432.24 and 2,691.86

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Solution

The fourth proportional to 7,622.87, 11,432.24 and 2,691.86 is: 4,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.87 : 11,432.24 = 2,691.86 : x
  2. Step 2: Convert to fraction form
    7,622.87/11,432.24 = 2,691.86/x
  3. Step 3: Cross multiply
    7,622.87x = 11,432.24 × 2,691.86
  4. Step 4: Simplify right side
    7,622.87x = 30,773,939.13
  5. Step 5: Solve for x
    x = 30,773,939.13/7,622.87
  6. Step 6: Final answer
    x = 4,037.06

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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.