Home / 8,331.82-12,494.70-2,486.46

Finding the Fourth Proportional to 8,331.82, 12,494.70 and 2,486.46

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Solution

The fourth proportional to 8,331.82, 12,494.70 and 2,486.46 is: 3,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.82 : 12,494.70 = 2,486.46 : x
  2. Step 2: Convert to fraction form
    8,331.82/12,494.70 = 2,486.46/x
  3. Step 3: Cross multiply
    8,331.82x = 12,494.70 × 2,486.46
  4. Step 4: Simplify right side
    8,331.82x = 31,067,571.76
  5. Step 5: Solve for x
    x = 31,067,571.76/8,331.82
  6. Step 6: Final answer
    x = 3,728.79

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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.