Home / 5,372.52-8,061.09-2,777.28

Finding the Fourth Proportional to 5,372.52, 8,061.09 and 2,777.28

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Solution

The fourth proportional to 5,372.52, 8,061.09 and 2,777.28 is: 4,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.52 : 8,061.09 = 2,777.28 : x
  2. Step 2: Convert to fraction form
    5,372.52/8,061.09 = 2,777.28/x
  3. Step 3: Cross multiply
    5,372.52x = 8,061.09 × 2,777.28
  4. Step 4: Simplify right side
    5,372.52x = 22,387,904.04
  5. Step 5: Solve for x
    x = 22,387,904.04/5,372.52
  6. Step 6: Final answer
    x = 4,167.11

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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.