Home / 7,418.96-11,129.92-2,738.99

Finding the Fourth Proportional to 7,418.96, 11,129.92 and 2,738.99

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Solution

The fourth proportional to 7,418.96, 11,129.92 and 2,738.99 is: 4,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.96 : 11,129.92 = 2,738.99 : x
  2. Step 2: Convert to fraction form
    7,418.96/11,129.92 = 2,738.99/x
  3. Step 3: Cross multiply
    7,418.96x = 11,129.92 × 2,738.99
  4. Step 4: Simplify right side
    7,418.96x = 30,484,760.56
  5. Step 5: Solve for x
    x = 30,484,760.56/7,418.96
  6. Step 6: Final answer
    x = 4,109.04

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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.