Home / 8,074.62-12,109.77-2,231.55

Finding the Fourth Proportional to 8,074.62, 12,109.77 and 2,231.55

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Solution

The fourth proportional to 8,074.62, 12,109.77 and 2,231.55 is: 3,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.62 : 12,109.77 = 2,231.55 : x
  2. Step 2: Convert to fraction form
    8,074.62/12,109.77 = 2,231.55/x
  3. Step 3: Cross multiply
    8,074.62x = 12,109.77 × 2,231.55
  4. Step 4: Simplify right side
    8,074.62x = 27,023,557.24
  5. Step 5: Solve for x
    x = 27,023,557.24/8,074.62
  6. Step 6: Final answer
    x = 3,346.73

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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.