Home / 5,132.76-7,694.42-2,498.78

Finding the Fourth Proportional to 5,132.76, 7,694.42 and 2,498.78

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Solution

The fourth proportional to 5,132.76, 7,694.42 and 2,498.78 is: 3,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.76 : 7,694.42 = 2,498.78 : x
  2. Step 2: Convert to fraction form
    5,132.76/7,694.42 = 2,498.78/x
  3. Step 3: Cross multiply
    5,132.76x = 7,694.42 × 2,498.78
  4. Step 4: Simplify right side
    5,132.76x = 19,226,611.84
  5. Step 5: Solve for x
    x = 19,226,611.84/5,132.76
  6. Step 6: Final answer
    x = 3,745.86

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1.5x scale

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.