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Finding the Fourth Proportional to 6,542.89, 9,029 and 3,710.53

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Solution

The fourth proportional to 6,542.89, 9,029 and 3,710.53 is: 5,120.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,542.89 : 9,029 = 3,710.53 : x
  2. Step 2: Convert to fraction form
    6,542.89/9,029 = 3,710.53/x
  3. Step 3: Cross multiply
    6,542.89x = 9,029 × 3,710.53
  4. Step 4: Simplify right side
    6,542.89x = 33,502,375.37
  5. Step 5: Solve for x
    x = 33,502,375.37/6,542.89
  6. Step 6: Final answer
    x = 5,120.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.