Home / 8,791.28-13,185.90-2,217.52

Finding the Fourth Proportional to 8,791.28, 13,185.90 and 2,217.52

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Solution

The fourth proportional to 8,791.28, 13,185.90 and 2,217.52 is: 3,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.28 : 13,185.90 = 2,217.52 : x
  2. Step 2: Convert to fraction form
    8,791.28/13,185.90 = 2,217.52/x
  3. Step 3: Cross multiply
    8,791.28x = 13,185.90 × 2,217.52
  4. Step 4: Simplify right side
    8,791.28x = 29,239,996.97
  5. Step 5: Solve for x
    x = 29,239,996.97/8,791.28
  6. Step 6: Final answer
    x = 3,326.02

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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.