Home / 5,494.38-8,240.52-2,680.39

Finding the Fourth Proportional to 5,494.38, 8,240.52 and 2,680.39

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Solution

The fourth proportional to 5,494.38, 8,240.52 and 2,680.39 is: 4,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.38 : 8,240.52 = 2,680.39 : x
  2. Step 2: Convert to fraction form
    5,494.38/8,240.52 = 2,680.39/x
  3. Step 3: Cross multiply
    5,494.38x = 8,240.52 × 2,680.39
  4. Step 4: Simplify right side
    5,494.38x = 22,087,812.68
  5. Step 5: Solve for x
    x = 22,087,812.68/5,494.38
  6. Step 6: Final answer
    x = 4,020.07

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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.