Home / 8,084.60-12,126.87-2,241.21

Finding the Fourth Proportional to 8,084.60, 12,126.87 and 2,241.21

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Solution

The fourth proportional to 8,084.60, 12,126.87 and 2,241.21 is: 3,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,084.60 : 12,126.87 = 2,241.21 : x
  2. Step 2: Convert to fraction form
    8,084.60/12,126.87 = 2,241.21/x
  3. Step 3: Cross multiply
    8,084.60x = 12,126.87 × 2,241.21
  4. Step 4: Simplify right side
    8,084.60x = 27,178,862.31
  5. Step 5: Solve for x
    x = 27,178,862.31/8,084.60
  6. Step 6: Final answer
    x = 3,361.81

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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.