Home / 8,156.70-12,232.17-2,961.18

Finding the Fourth Proportional to 8,156.70, 12,232.17 and 2,961.18

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Solution

The fourth proportional to 8,156.70, 12,232.17 and 2,961.18 is: 4,440.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.70 : 12,232.17 = 2,961.18 : x
  2. Step 2: Convert to fraction form
    8,156.70/12,232.17 = 2,961.18/x
  3. Step 3: Cross multiply
    8,156.70x = 12,232.17 × 2,961.18
  4. Step 4: Simplify right side
    8,156.70x = 36,221,657.16
  5. Step 5: Solve for x
    x = 36,221,657.16/8,156.70
  6. Step 6: Final answer
    x = 4,440.72

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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.