Home / 8,104.28-12,157.10-2,260.96

Finding the Fourth Proportional to 8,104.28, 12,157.10 and 2,260.96

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Solution

The fourth proportional to 8,104.28, 12,157.10 and 2,260.96 is: 3,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.28 : 12,157.10 = 2,260.96 : x
  2. Step 2: Convert to fraction form
    8,104.28/12,157.10 = 2,260.96/x
  3. Step 3: Cross multiply
    8,104.28x = 12,157.10 × 2,260.96
  4. Step 4: Simplify right side
    8,104.28x = 27,486,716.82
  5. Step 5: Solve for x
    x = 27,486,716.82/8,104.28
  6. Step 6: Final answer
    x = 3,391.63

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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.