Home / 5,542.89-8,305.29-2,578.11

Finding the Fourth Proportional to 5,542.89, 8,305.29 and 2,578.11

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Solution

The fourth proportional to 5,542.89, 8,305.29 and 2,578.11 is: 3,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.89 : 8,305.29 = 2,578.11 : x
  2. Step 2: Convert to fraction form
    5,542.89/8,305.29 = 2,578.11/x
  3. Step 3: Cross multiply
    5,542.89x = 8,305.29 × 2,578.11
  4. Step 4: Simplify right side
    5,542.89x = 21,411,951.20
  5. Step 5: Solve for x
    x = 21,411,951.20/5,542.89
  6. Step 6: Final answer
    x = 3,862.96

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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.