Home / 10,778.04-16,161.84-3,757.86

Finding the Fourth Proportional to 10,778.04, 16,161.84 and 3,757.86

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Solution

The fourth proportional to 10,778.04, 16,161.84 and 3,757.86 is: 5,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.04 : 16,161.84 = 3,757.86 : x
  2. Step 2: Convert to fraction form
    10,778.04/16,161.84 = 3,757.86/x
  3. Step 3: Cross multiply
    10,778.04x = 16,161.84 × 3,757.86
  4. Step 4: Simplify right side
    10,778.04x = 60,733,932.06
  5. Step 5: Solve for x
    x = 60,733,932.06/10,778.04
  6. Step 6: Final answer
    x = 5,634.97

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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.