Home / 8,441.24-12,662.20-3,175.72

Finding the Fourth Proportional to 8,441.24, 12,662.20 and 3,175.72

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Solution

The fourth proportional to 8,441.24, 12,662.20 and 3,175.72 is: 4,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,441.24 : 12,662.20 = 3,175.72 : x
  2. Step 2: Convert to fraction form
    8,441.24/12,662.20 = 3,175.72/x
  3. Step 3: Cross multiply
    8,441.24x = 12,662.20 × 3,175.72
  4. Step 4: Simplify right side
    8,441.24x = 40,211,601.78
  5. Step 5: Solve for x
    x = 40,211,601.78/8,441.24
  6. Step 6: Final answer
    x = 4,763.71

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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.