Home / 8,183.22-12,280.32-3,253.92

Finding the Fourth Proportional to 8,183.22, 12,280.32 and 3,253.92

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Solution

The fourth proportional to 8,183.22, 12,280.32 and 3,253.92 is: 4,883.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.22 : 12,280.32 = 3,253.92 : x
  2. Step 2: Convert to fraction form
    8,183.22/12,280.32 = 3,253.92/x
  3. Step 3: Cross multiply
    8,183.22x = 12,280.32 × 3,253.92
  4. Step 4: Simplify right side
    8,183.22x = 39,959,178.85
  5. Step 5: Solve for x
    x = 39,959,178.85/8,183.22
  6. Step 6: Final answer
    x = 4,883.06

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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.