Home / 5,508.38-8,264.19-2,219.78

Finding the Fourth Proportional to 5,508.38, 8,264.19 and 2,219.78

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Solution

The fourth proportional to 5,508.38, 8,264.19 and 2,219.78 is: 3,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.38 : 8,264.19 = 2,219.78 : x
  2. Step 2: Convert to fraction form
    5,508.38/8,264.19 = 2,219.78/x
  3. Step 3: Cross multiply
    5,508.38x = 8,264.19 × 2,219.78
  4. Step 4: Simplify right side
    5,508.38x = 18,344,683.68
  5. Step 5: Solve for x
    x = 18,344,683.68/5,508.38
  6. Step 6: Final answer
    x = 3,330.32

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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.