Home / 8,741.73-13,117.92-3,475.78

Finding the Fourth Proportional to 8,741.73, 13,117.92 and 3,475.78

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Solution

The fourth proportional to 8,741.73, 13,117.92 and 3,475.78 is: 5,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.73 : 13,117.92 = 3,475.78 : x
  2. Step 2: Convert to fraction form
    8,741.73/13,117.92 = 3,475.78/x
  3. Step 3: Cross multiply
    8,741.73x = 13,117.92 × 3,475.78
  4. Step 4: Simplify right side
    8,741.73x = 45,595,003.98
  5. Step 5: Solve for x
    x = 45,595,003.98/8,741.73
  6. Step 6: Final answer
    x = 5,215.79

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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.