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Finding the Fourth Proportional to 5,683.52, 8,531.80 and 5,359.52

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Solution

The fourth proportional to 5,683.52, 8,531.80 and 5,359.52 is: 8,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.52 : 8,531.80 = 5,359.52 : x
  2. Step 2: Convert to fraction form
    5,683.52/8,531.80 = 5,359.52/x
  3. Step 3: Cross multiply
    5,683.52x = 8,531.80 × 5,359.52
  4. Step 4: Simplify right side
    5,683.52x = 45,726,352.74
  5. Step 5: Solve for x
    x = 45,726,352.74/5,683.52
  6. Step 6: Final answer
    x = 8,045.43

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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.