Home / 4,138.25-6,207.39-3,930.62

Finding the Fourth Proportional to 4,138.25, 6,207.39 and 3,930.62

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Solution

The fourth proportional to 4,138.25, 6,207.39 and 3,930.62 is: 5,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.25 : 6,207.39 = 3,930.62 : x
  2. Step 2: Convert to fraction form
    4,138.25/6,207.39 = 3,930.62/x
  3. Step 3: Cross multiply
    4,138.25x = 6,207.39 × 3,930.62
  4. Step 4: Simplify right side
    4,138.25x = 24,398,891.28
  5. Step 5: Solve for x
    x = 24,398,891.28/4,138.25
  6. Step 6: Final answer
    x = 5,895.94

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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.