Home / 8,086.28-12,129.44-2,242.91

Finding the Fourth Proportional to 8,086.28, 12,129.44 and 2,242.91

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Solution

The fourth proportional to 8,086.28, 12,129.44 and 2,242.91 is: 3,364.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.28 : 12,129.44 = 2,242.91 : x
  2. Step 2: Convert to fraction form
    8,086.28/12,129.44 = 2,242.91/x
  3. Step 3: Cross multiply
    8,086.28x = 12,129.44 × 2,242.91
  4. Step 4: Simplify right side
    8,086.28x = 27,205,211.95
  5. Step 5: Solve for x
    x = 27,205,211.95/8,086.28
  6. Step 6: Final answer
    x = 3,364.37

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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.