Home / 8,131.60-12,198.22-2,208.58

Finding the Fourth Proportional to 8,131.60, 12,198.22 and 2,208.58

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Solution

The fourth proportional to 8,131.60, 12,198.22 and 2,208.58 is: 3,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.60 : 12,198.22 = 2,208.58 : x
  2. Step 2: Convert to fraction form
    8,131.60/12,198.22 = 2,208.58/x
  3. Step 3: Cross multiply
    8,131.60x = 12,198.22 × 2,208.58
  4. Step 4: Simplify right side
    8,131.60x = 26,940,744.73
  5. Step 5: Solve for x
    x = 26,940,744.73/8,131.60
  6. Step 6: Final answer
    x = 3,313.09

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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.