Home / 8,162.20-12,245.16-2,615.92

Finding the Fourth Proportional to 8,162.20, 12,245.16 and 2,615.92

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Solution

The fourth proportional to 8,162.20, 12,245.16 and 2,615.92 is: 3,924.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.20 : 12,245.16 = 2,615.92 : x
  2. Step 2: Convert to fraction form
    8,162.20/12,245.16 = 2,615.92/x
  3. Step 3: Cross multiply
    8,162.20x = 12,245.16 × 2,615.92
  4. Step 4: Simplify right side
    8,162.20x = 32,032,358.95
  5. Step 5: Solve for x
    x = 32,032,358.95/8,162.20
  6. Step 6: Final answer
    x = 3,924.48

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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.