Home / 8,131.11-12,197.16-2,288.22

Finding the Fourth Proportional to 8,131.11, 12,197.16 and 2,288.22

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Solution

The fourth proportional to 8,131.11, 12,197.16 and 2,288.22 is: 3,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.11 : 12,197.16 = 2,288.22 : x
  2. Step 2: Convert to fraction form
    8,131.11/12,197.16 = 2,288.22/x
  3. Step 3: Cross multiply
    8,131.11x = 12,197.16 × 2,288.22
  4. Step 4: Simplify right side
    8,131.11x = 27,909,785.46
  5. Step 5: Solve for x
    x = 27,909,785.46/8,131.11
  6. Step 6: Final answer
    x = 3,432.47

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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.