Home / 8,084.32-12,126.48-2,240.78

Finding the Fourth Proportional to 8,084.32, 12,126.48 and 2,240.78

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Solution

The fourth proportional to 8,084.32, 12,126.48 and 2,240.78 is: 3,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.32 : 12,126.48 = 2,240.78 : x
  2. Step 2: Convert to fraction form
    8,084.32/12,126.48 = 2,240.78/x
  3. Step 3: Cross multiply
    8,084.32x = 12,126.48 × 2,240.78
  4. Step 4: Simplify right side
    8,084.32x = 27,172,773.85
  5. Step 5: Solve for x
    x = 27,172,773.85/8,084.32
  6. Step 6: Final answer
    x = 3,361.17

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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.