Home / 8,146.38-12,221.23-2,599.57

Finding the Fourth Proportional to 8,146.38, 12,221.23 and 2,599.57

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Solution

The fourth proportional to 8,146.38, 12,221.23 and 2,599.57 is: 3,899.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.38 : 12,221.23 = 2,599.57 : x
  2. Step 2: Convert to fraction form
    8,146.38/12,221.23 = 2,599.57/x
  3. Step 3: Cross multiply
    8,146.38x = 12,221.23 × 2,599.57
  4. Step 4: Simplify right side
    8,146.38x = 31,769,942.87
  5. Step 5: Solve for x
    x = 31,769,942.87/8,146.38
  6. Step 6: Final answer
    x = 3,899.88

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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.