Home / 4,138.66-6,192.25-2,799.12

Finding the Fourth Proportional to 4,138.66, 6,192.25 and 2,799.12

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Solution

The fourth proportional to 4,138.66, 6,192.25 and 2,799.12 is: 4,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.66 : 6,192.25 = 2,799.12 : x
  2. Step 2: Convert to fraction form
    4,138.66/6,192.25 = 2,799.12/x
  3. Step 3: Cross multiply
    4,138.66x = 6,192.25 × 2,799.12
  4. Step 4: Simplify right side
    4,138.66x = 17,332,867.04
  5. Step 5: Solve for x
    x = 17,332,867.04/4,138.66
  6. Step 6: Final answer
    x = 4,188.04

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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.