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Finding the Fourth Proportional to 5,542.89, 8,310.89 and 2,726.11

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Solution

The fourth proportional to 5,542.89, 8,310.89 and 2,726.11 is: 4,087.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.89 : 8,310.89 = 2,726.11 : x
  2. Step 2: Convert to fraction form
    5,542.89/8,310.89 = 2,726.11/x
  3. Step 3: Cross multiply
    5,542.89x = 8,310.89 × 2,726.11
  4. Step 4: Simplify right side
    5,542.89x = 22,656,386.71
  5. Step 5: Solve for x
    x = 22,656,386.71/5,542.89
  6. Step 6: Final answer
    x = 4,087.47

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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.