Home / 8,105.35-12,158.02-2,559.12

Finding the Fourth Proportional to 8,105.35, 12,158.02 and 2,559.12

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Solution

The fourth proportional to 8,105.35, 12,158.02 and 2,559.12 is: 3,838.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.35 : 12,158.02 = 2,559.12 : x
  2. Step 2: Convert to fraction form
    8,105.35/12,158.02 = 2,559.12/x
  3. Step 3: Cross multiply
    8,105.35x = 12,158.02 × 2,559.12
  4. Step 4: Simplify right side
    8,105.35x = 31,113,819.35
  5. Step 5: Solve for x
    x = 31,113,819.35/8,105.35
  6. Step 6: Final answer
    x = 3,838.68

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Similar ratio
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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.