Home / 5,468.90-7,540.49-3,791.75

Finding the Fourth Proportional to 5,468.90, 7,540.49 and 3,791.75

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Solution

The fourth proportional to 5,468.90, 7,540.49 and 3,791.75 is: 5,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,468.90 : 7,540.49 = 3,791.75 : x
  2. Step 2: Convert to fraction form
    5,468.90/7,540.49 = 3,791.75/x
  3. Step 3: Cross multiply
    5,468.90x = 7,540.49 × 3,791.75
  4. Step 4: Simplify right side
    5,468.90x = 28,591,624.73
  5. Step 5: Solve for x
    x = 28,591,624.73/5,468.90
  6. Step 6: Final answer
    x = 5,228.04

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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.