Home / 8,936.60-13,393.96-3,086.37

Finding the Fourth Proportional to 8,936.60, 13,393.96 and 3,086.37

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Solution

The fourth proportional to 8,936.60, 13,393.96 and 3,086.37 is: 4,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.60 : 13,393.96 = 3,086.37 : x
  2. Step 2: Convert to fraction form
    8,936.60/13,393.96 = 3,086.37/x
  3. Step 3: Cross multiply
    8,936.60x = 13,393.96 × 3,086.37
  4. Step 4: Simplify right side
    8,936.60x = 41,338,708.61
  5. Step 5: Solve for x
    x = 41,338,708.61/8,936.60
  6. Step 6: Final answer
    x = 4,625.78

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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.