Home / 8,093.13-12,139.69-2,249.79

Finding the Fourth Proportional to 8,093.13, 12,139.69 and 2,249.79

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Solution

The fourth proportional to 8,093.13, 12,139.69 and 2,249.79 is: 3,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.13 : 12,139.69 = 2,249.79 : x
  2. Step 2: Convert to fraction form
    8,093.13/12,139.69 = 2,249.79/x
  3. Step 3: Cross multiply
    8,093.13x = 12,139.69 × 2,249.79
  4. Step 4: Simplify right side
    8,093.13x = 27,311,753.17
  5. Step 5: Solve for x
    x = 27,311,753.17/8,093.13
  6. Step 6: Final answer
    x = 3,374.68

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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.