Home / 5,388.00-7,432.18-3,791.85

Finding the Fourth Proportional to 5,388.00, 7,432.18 and 3,791.85

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Solution

The fourth proportional to 5,388.00, 7,432.18 and 3,791.85 is: 5,230.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.00 : 7,432.18 = 3,791.85 : x
  2. Step 2: Convert to fraction form
    5,388.00/7,432.18 = 3,791.85/x
  3. Step 3: Cross multiply
    5,388.00x = 7,432.18 × 3,791.85
  4. Step 4: Simplify right side
    5,388.00x = 28,181,685.05
  5. Step 5: Solve for x
    x = 28,181,685.05/5,388.00
  6. Step 6: Final answer
    x = 5,230.45

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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.