Home / 7,414.57-11,114.11-2,480.15

Finding the Fourth Proportional to 7,414.57, 11,114.11 and 2,480.15

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Solution

The fourth proportional to 7,414.57, 11,114.11 and 2,480.15 is: 3,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.57 : 11,114.11 = 2,480.15 : x
  2. Step 2: Convert to fraction form
    7,414.57/11,114.11 = 2,480.15/x
  3. Step 3: Cross multiply
    7,414.57x = 11,114.11 × 2,480.15
  4. Step 4: Simplify right side
    7,414.57x = 27,564,690.80
  5. Step 5: Solve for x
    x = 27,564,690.80/7,414.57
  6. Step 6: Final answer
    x = 3,717.64

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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.