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Finding the Fourth Proportional to 6,572.52, 9,070.09 and 3,739.82

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Solution

The fourth proportional to 6,572.52, 9,070.09 and 3,739.82 is: 5,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572.52 : 9,070.09 = 3,739.82 : x
  2. Step 2: Convert to fraction form
    6,572.52/9,070.09 = 3,739.82/x
  3. Step 3: Cross multiply
    6,572.52x = 9,070.09 × 3,739.82
  4. Step 4: Simplify right side
    6,572.52x = 33,920,503.98
  5. Step 5: Solve for x
    x = 33,920,503.98/6,572.52
  6. Step 6: Final answer
    x = 5,160.96

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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.