Home / 8,311.26-12,458.13-2,763.11

Finding the Fourth Proportional to 8,311.26, 12,458.13 and 2,763.11

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Solution

The fourth proportional to 8,311.26, 12,458.13 and 2,763.11 is: 4,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.26 : 12,458.13 = 2,763.11 : x
  2. Step 2: Convert to fraction form
    8,311.26/12,458.13 = 2,763.11/x
  3. Step 3: Cross multiply
    8,311.26x = 12,458.13 × 2,763.11
  4. Step 4: Simplify right side
    8,311.26x = 34,423,183.58
  5. Step 5: Solve for x
    x = 34,423,183.58/8,311.26
  6. Step 6: Final answer
    x = 4,141.75

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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.