Home / 5,255.55-7,248.29-3,932.42

Finding the Fourth Proportional to 5,255.55, 7,248.29 and 3,932.42

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Solution

The fourth proportional to 5,255.55, 7,248.29 and 3,932.42 is: 5,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.55 : 7,248.29 = 3,932.42 : x
  2. Step 2: Convert to fraction form
    5,255.55/7,248.29 = 3,932.42/x
  3. Step 3: Cross multiply
    5,255.55x = 7,248.29 × 3,932.42
  4. Step 4: Simplify right side
    5,255.55x = 28,503,264.66
  5. Step 5: Solve for x
    x = 28,503,264.66/5,255.55
  6. Step 6: Final answer
    x = 5,423.46

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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.