Home / 5,414.85-7,468.40-3,687.53

Finding the Fourth Proportional to 5,414.85, 7,468.40 and 3,687.53

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Solution

The fourth proportional to 5,414.85, 7,468.40 and 3,687.53 is: 5,086.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.85 : 7,468.40 = 3,687.53 : x
  2. Step 2: Convert to fraction form
    5,414.85/7,468.40 = 3,687.53/x
  3. Step 3: Cross multiply
    5,414.85x = 7,468.40 × 3,687.53
  4. Step 4: Simplify right side
    5,414.85x = 27,539,920.93
  5. Step 5: Solve for x
    x = 27,539,920.93/5,414.85
  6. Step 6: Final answer
    x = 5,086.00

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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.