Home / 8,161.20-12,233.64-3,229.02

Finding the Fourth Proportional to 8,161.20, 12,233.64 and 3,229.02

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Solution

The fourth proportional to 8,161.20, 12,233.64 and 3,229.02 is: 4,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.20 : 12,233.64 = 3,229.02 : x
  2. Step 2: Convert to fraction form
    8,161.20/12,233.64 = 3,229.02/x
  3. Step 3: Cross multiply
    8,161.20x = 12,233.64 × 3,229.02
  4. Step 4: Simplify right side
    8,161.20x = 39,502,668.23
  5. Step 5: Solve for x
    x = 39,502,668.23/8,161.20
  6. Step 6: Final answer
    x = 4,840.30

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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.