Home / 5,720.28-8,569.17-3,766.56

Finding the Fourth Proportional to 5,720.28, 8,569.17 and 3,766.56

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Solution

The fourth proportional to 5,720.28, 8,569.17 and 3,766.56 is: 5,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.28 : 8,569.17 = 3,766.56 : x
  2. Step 2: Convert to fraction form
    5,720.28/8,569.17 = 3,766.56/x
  3. Step 3: Cross multiply
    5,720.28x = 8,569.17 × 3,766.56
  4. Step 4: Simplify right side
    5,720.28x = 32,276,292.96
  5. Step 5: Solve for x
    x = 32,276,292.96/5,720.28
  6. Step 6: Final answer
    x = 5,642.43

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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.