Home / 8,766.09-13,146.17-2,921.13

Finding the Fourth Proportional to 8,766.09, 13,146.17 and 2,921.13

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Solution

The fourth proportional to 8,766.09, 13,146.17 and 2,921.13 is: 4,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.09 : 13,146.17 = 2,921.13 : x
  2. Step 2: Convert to fraction form
    8,766.09/13,146.17 = 2,921.13/x
  3. Step 3: Cross multiply
    8,766.09x = 13,146.17 × 2,921.13
  4. Step 4: Simplify right side
    8,766.09x = 38,401,656.97
  5. Step 5: Solve for x
    x = 38,401,656.97/8,766.09
  6. Step 6: Final answer
    x = 4,380.71

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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.