Home / 8,156.26-12,233.94-2,312.88

Finding the Fourth Proportional to 8,156.26, 12,233.94 and 2,312.88

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Solution

The fourth proportional to 8,156.26, 12,233.94 and 2,312.88 is: 3,469.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.26 : 12,233.94 = 2,312.88 : x
  2. Step 2: Convert to fraction form
    8,156.26/12,233.94 = 2,312.88/x
  3. Step 3: Cross multiply
    8,156.26x = 12,233.94 × 2,312.88
  4. Step 4: Simplify right side
    8,156.26x = 28,295,635.15
  5. Step 5: Solve for x
    x = 28,295,635.15/8,156.26
  6. Step 6: Final answer
    x = 3,469.19

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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.