Home / 5,132.19-7,711.95-2,793.92

Finding the Fourth Proportional to 5,132.19, 7,711.95 and 2,793.92

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Solution

The fourth proportional to 5,132.19, 7,711.95 and 2,793.92 is: 4,198.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.19 : 7,711.95 = 2,793.92 : x
  2. Step 2: Convert to fraction form
    5,132.19/7,711.95 = 2,793.92/x
  3. Step 3: Cross multiply
    5,132.19x = 7,711.95 × 2,793.92
  4. Step 4: Simplify right side
    5,132.19x = 21,546,532.78
  5. Step 5: Solve for x
    x = 21,546,532.78/5,132.19
  6. Step 6: Final answer
    x = 4,198.31

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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.