Home / 5,132.28-7,687.99-3,817.45

Finding the Fourth Proportional to 5,132.28, 7,687.99 and 3,817.45

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Solution

The fourth proportional to 5,132.28, 7,687.99 and 3,817.45 is: 5,718.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.28 : 7,687.99 = 3,817.45 : x
  2. Step 2: Convert to fraction form
    5,132.28/7,687.99 = 3,817.45/x
  3. Step 3: Cross multiply
    5,132.28x = 7,687.99 × 3,817.45
  4. Step 4: Simplify right side
    5,132.28x = 29,348,517.43
  5. Step 5: Solve for x
    x = 29,348,517.43/5,132.28
  6. Step 6: Final answer
    x = 5,718.42

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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.