Home / 8,358.96-12,534.66-2,515.90

Finding the Fourth Proportional to 8,358.96, 12,534.66 and 2,515.90

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Solution

The fourth proportional to 8,358.96, 12,534.66 and 2,515.90 is: 3,772.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.96 : 12,534.66 = 2,515.90 : x
  2. Step 2: Convert to fraction form
    8,358.96/12,534.66 = 2,515.90/x
  3. Step 3: Cross multiply
    8,358.96x = 12,534.66 × 2,515.90
  4. Step 4: Simplify right side
    8,358.96x = 31,535,951.09
  5. Step 5: Solve for x
    x = 31,535,951.09/8,358.96
  6. Step 6: Final answer
    x = 3,772.71

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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.