Home / 8,377.20-12,562.24-2,530.64

Finding the Fourth Proportional to 8,377.20, 12,562.24 and 2,530.64

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Solution

The fourth proportional to 8,377.20, 12,562.24 and 2,530.64 is: 3,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.20 : 12,562.24 = 2,530.64 : x
  2. Step 2: Convert to fraction form
    8,377.20/12,562.24 = 2,530.64/x
  3. Step 3: Cross multiply
    8,377.20x = 12,562.24 × 2,530.64
  4. Step 4: Simplify right side
    8,377.20x = 31,790,507.03
  5. Step 5: Solve for x
    x = 31,790,507.03/8,377.20
  6. Step 6: Final answer
    x = 3,794.88

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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.