Home / 8,238.22-12,358.08-2,691.59

Finding the Fourth Proportional to 8,238.22, 12,358.08 and 2,691.59

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Solution

The fourth proportional to 8,238.22, 12,358.08 and 2,691.59 is: 4,037.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.22 : 12,358.08 = 2,691.59 : x
  2. Step 2: Convert to fraction form
    8,238.22/12,358.08 = 2,691.59/x
  3. Step 3: Cross multiply
    8,238.22x = 12,358.08 × 2,691.59
  4. Step 4: Simplify right side
    8,238.22x = 33,262,884.55
  5. Step 5: Solve for x
    x = 33,262,884.55/8,238.22
  6. Step 6: Final answer
    x = 4,037.63

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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.