Home / 8,112.90-12,167.97-2,268.15

Finding the Fourth Proportional to 8,112.90, 12,167.97 and 2,268.15

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Solution

The fourth proportional to 8,112.90, 12,167.97 and 2,268.15 is: 3,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,112.90 : 12,167.97 = 2,268.15 : x
  2. Step 2: Convert to fraction form
    8,112.90/12,167.97 = 2,268.15/x
  3. Step 3: Cross multiply
    8,112.90x = 12,167.97 × 2,268.15
  4. Step 4: Simplify right side
    8,112.90x = 27,598,781.16
  5. Step 5: Solve for x
    x = 27,598,781.16/8,112.90
  6. Step 6: Final answer
    x = 3,401.84

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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.