Home / 8,241.18-12,365.79-3,857.82

Finding the Fourth Proportional to 8,241.18, 12,365.79 and 3,857.82

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Solution

The fourth proportional to 8,241.18, 12,365.79 and 3,857.82 is: 5,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.18 : 12,365.79 = 3,857.82 : x
  2. Step 2: Convert to fraction form
    8,241.18/12,365.79 = 3,857.82/x
  3. Step 3: Cross multiply
    8,241.18x = 12,365.79 × 3,857.82
  4. Step 4: Simplify right side
    8,241.18x = 47,704,991.98
  5. Step 5: Solve for x
    x = 47,704,991.98/8,241.18
  6. Step 6: Final answer
    x = 5,788.61

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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.