Home / 5,177.52-7,141.50-3,188.72

Finding the Fourth Proportional to 5,177.52, 7,141.50 and 3,188.72

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Solution

The fourth proportional to 5,177.52, 7,141.50 and 3,188.72 is: 4,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.52 : 7,141.50 = 3,188.72 : x
  2. Step 2: Convert to fraction form
    5,177.52/7,141.50 = 3,188.72/x
  3. Step 3: Cross multiply
    5,177.52x = 7,141.50 × 3,188.72
  4. Step 4: Simplify right side
    5,177.52x = 22,772,243.88
  5. Step 5: Solve for x
    x = 22,772,243.88/5,177.52
  6. Step 6: Final answer
    x = 4,398.29

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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.