Home / 4,753.10-7,115.82-2,772.68

Finding the Fourth Proportional to 4,753.10, 7,115.82 and 2,772.68

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Solution

The fourth proportional to 4,753.10, 7,115.82 and 2,772.68 is: 4,150.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.10 : 7,115.82 = 2,772.68 : x
  2. Step 2: Convert to fraction form
    4,753.10/7,115.82 = 2,772.68/x
  3. Step 3: Cross multiply
    4,753.10x = 7,115.82 × 2,772.68
  4. Step 4: Simplify right side
    4,753.10x = 19,729,891.80
  5. Step 5: Solve for x
    x = 19,729,891.80/4,753.10
  6. Step 6: Final answer
    x = 4,150.95

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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.