Home / 8,183.20-12,273.64-2,635.89

Finding the Fourth Proportional to 8,183.20, 12,273.64 and 2,635.89

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Solution

The fourth proportional to 8,183.20, 12,273.64 and 2,635.89 is: 3,953.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.20 : 12,273.64 = 2,635.89 : x
  2. Step 2: Convert to fraction form
    8,183.20/12,273.64 = 2,635.89/x
  3. Step 3: Cross multiply
    8,183.20x = 12,273.64 × 2,635.89
  4. Step 4: Simplify right side
    8,183.20x = 32,351,958.35
  5. Step 5: Solve for x
    x = 32,351,958.35/8,183.20
  6. Step 6: Final answer
    x = 3,953.46

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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.