Home / 8,724.28-13,073.43-3,791.23

Finding the Fourth Proportional to 8,724.28, 13,073.43 and 3,791.23

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Solution

The fourth proportional to 8,724.28, 13,073.43 and 3,791.23 is: 5,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.28 : 13,073.43 = 3,791.23 : x
  2. Step 2: Convert to fraction form
    8,724.28/13,073.43 = 3,791.23/x
  3. Step 3: Cross multiply
    8,724.28x = 13,073.43 × 3,791.23
  4. Step 4: Simplify right side
    8,724.28x = 49,564,380.02
  5. Step 5: Solve for x
    x = 49,564,380.02/8,724.28
  6. Step 6: Final answer
    x = 5,681.20

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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.