Home / 8,939.87-13,409.96-3,096.66

Finding the Fourth Proportional to 8,939.87, 13,409.96 and 3,096.66

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Solution

The fourth proportional to 8,939.87, 13,409.96 and 3,096.66 is: 4,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.87 : 13,409.96 = 3,096.66 : x
  2. Step 2: Convert to fraction form
    8,939.87/13,409.96 = 3,096.66/x
  3. Step 3: Cross multiply
    8,939.87x = 13,409.96 × 3,096.66
  4. Step 4: Simplify right side
    8,939.87x = 41,526,086.73
  5. Step 5: Solve for x
    x = 41,526,086.73/8,939.87
  6. Step 6: Final answer
    x = 4,645.04

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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.