Home / 8,132.28-12,199.47-2,209.29

Finding the Fourth Proportional to 8,132.28, 12,199.47 and 2,209.29

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Solution

The fourth proportional to 8,132.28, 12,199.47 and 2,209.29 is: 3,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.28 : 12,199.47 = 2,209.29 : x
  2. Step 2: Convert to fraction form
    8,132.28/12,199.47 = 2,209.29/x
  3. Step 3: Cross multiply
    8,132.28x = 12,199.47 × 2,209.29
  4. Step 4: Simplify right side
    8,132.28x = 26,952,167.08
  5. Step 5: Solve for x
    x = 26,952,167.08/8,132.28
  6. Step 6: Final answer
    x = 3,314.22

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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.