Home / 8,103.60-12,157.44-2,260.21

Finding the Fourth Proportional to 8,103.60, 12,157.44 and 2,260.21

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Solution

The fourth proportional to 8,103.60, 12,157.44 and 2,260.21 is: 3,390.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.60 : 12,157.44 = 2,260.21 : x
  2. Step 2: Convert to fraction form
    8,103.60/12,157.44 = 2,260.21/x
  3. Step 3: Cross multiply
    8,103.60x = 12,157.44 × 2,260.21
  4. Step 4: Simplify right side
    8,103.60x = 27,478,306.68
  5. Step 5: Solve for x
    x = 27,478,306.68/8,103.60
  6. Step 6: Final answer
    x = 3,390.88

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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.