Home / 4,226.72-6,310.42-3,812

Finding the Fourth Proportional to 4,226.72, 6,310.42 and 3,812

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Solution

The fourth proportional to 4,226.72, 6,310.42 and 3,812 is: 5,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.72 : 6,310.42 = 3,812 : x
  2. Step 2: Convert to fraction form
    4,226.72/6,310.42 = 3,812/x
  3. Step 3: Cross multiply
    4,226.72x = 6,310.42 × 3,812
  4. Step 4: Simplify right side
    4,226.72x = 24,055,321.04
  5. Step 5: Solve for x
    x = 24,055,321.04/4,226.72
  6. Step 6: Final answer
    x = 5,691.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.