Home / 8,127.22-12,183.63-3,964.90

Finding the Fourth Proportional to 8,127.22, 12,183.63 and 3,964.90

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Solution

The fourth proportional to 8,127.22, 12,183.63 and 3,964.90 is: 5,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.22 : 12,183.63 = 3,964.90 : x
  2. Step 2: Convert to fraction form
    8,127.22/12,183.63 = 3,964.90/x
  3. Step 3: Cross multiply
    8,127.22x = 12,183.63 × 3,964.90
  4. Step 4: Simplify right side
    8,127.22x = 48,306,874.59
  5. Step 5: Solve for x
    x = 48,306,874.59/8,127.22
  6. Step 6: Final answer
    x = 5,943.84

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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.