Home / 8,158.60-12,234.78-2,610.76

Finding the Fourth Proportional to 8,158.60, 12,234.78 and 2,610.76

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Solution

The fourth proportional to 8,158.60, 12,234.78 and 2,610.76 is: 3,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.60 : 12,234.78 = 2,610.76 : x
  2. Step 2: Convert to fraction form
    8,158.60/12,234.78 = 2,610.76/x
  3. Step 3: Cross multiply
    8,158.60x = 12,234.78 × 2,610.76
  4. Step 4: Simplify right side
    8,158.60x = 31,942,074.23
  5. Step 5: Solve for x
    x = 31,942,074.23/8,158.60
  6. Step 6: Final answer
    x = 3,915.14

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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.