Home / 8,122.28-12,183.50-2,575.67

Finding the Fourth Proportional to 8,122.28, 12,183.50 and 2,575.67

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Solution

The fourth proportional to 8,122.28, 12,183.50 and 2,575.67 is: 3,863.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.28 : 12,183.50 = 2,575.67 : x
  2. Step 2: Convert to fraction form
    8,122.28/12,183.50 = 2,575.67/x
  3. Step 3: Cross multiply
    8,122.28x = 12,183.50 × 2,575.67
  4. Step 4: Simplify right side
    8,122.28x = 31,380,601.65
  5. Step 5: Solve for x
    x = 31,380,601.65/8,122.28
  6. Step 6: Final answer
    x = 3,863.52

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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.