Home / 8,163.30-12,244.72-2,319.90

Finding the Fourth Proportional to 8,163.30, 12,244.72 and 2,319.90

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Solution

The fourth proportional to 8,163.30, 12,244.72 and 2,319.90 is: 3,479.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.30 : 12,244.72 = 2,319.90 : x
  2. Step 2: Convert to fraction form
    8,163.30/12,244.72 = 2,319.90/x
  3. Step 3: Cross multiply
    8,163.30x = 12,244.72 × 2,319.90
  4. Step 4: Simplify right side
    8,163.30x = 28,406,525.93
  5. Step 5: Solve for x
    x = 28,406,525.93/8,163.30
  6. Step 6: Final answer
    x = 3,479.78

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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.