Home / 6,743.43-10,115.42-3,279.87

Finding the Fourth Proportional to 6,743.43, 10,115.42 and 3,279.87

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Solution

The fourth proportional to 6,743.43, 10,115.42 and 3,279.87 is: 4,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.43 : 10,115.42 = 3,279.87 : x
  2. Step 2: Convert to fraction form
    6,743.43/10,115.42 = 3,279.87/x
  3. Step 3: Cross multiply
    6,743.43x = 10,115.42 × 3,279.87
  4. Step 4: Simplify right side
    6,743.43x = 33,177,246.20
  5. Step 5: Solve for x
    x = 33,177,246.20/6,743.43
  6. Step 6: Final answer
    x = 4,919.94

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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.