Home / 8,084.45-12,126.63-2,240.90

Finding the Fourth Proportional to 8,084.45, 12,126.63 and 2,240.90

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Solution

The fourth proportional to 8,084.45, 12,126.63 and 2,240.90 is: 3,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.45 : 12,126.63 = 2,240.90 : x
  2. Step 2: Convert to fraction form
    8,084.45/12,126.63 = 2,240.90/x
  3. Step 3: Cross multiply
    8,084.45x = 12,126.63 × 2,240.90
  4. Step 4: Simplify right side
    8,084.45x = 27,174,565.17
  5. Step 5: Solve for x
    x = 27,174,565.17/8,084.45
  6. Step 6: Final answer
    x = 3,361.34

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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.