Home / 8,132.97-12,199.92-2,290.05

Finding the Fourth Proportional to 8,132.97, 12,199.92 and 2,290.05

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Solution

The fourth proportional to 8,132.97, 12,199.92 and 2,290.05 is: 3,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.97 : 12,199.92 = 2,290.05 : x
  2. Step 2: Convert to fraction form
    8,132.97/12,199.92 = 2,290.05/x
  3. Step 3: Cross multiply
    8,132.97x = 12,199.92 × 2,290.05
  4. Step 4: Simplify right side
    8,132.97x = 27,938,426.80
  5. Step 5: Solve for x
    x = 27,938,426.80/8,132.97
  6. Step 6: Final answer
    x = 3,435.21

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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.