Home / 5,163.82-7,740.40-2,042.56

Finding the Fourth Proportional to 5,163.82, 7,740.40 and 2,042.56

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Solution

The fourth proportional to 5,163.82, 7,740.40 and 2,042.56 is: 3,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.82 : 7,740.40 = 2,042.56 : x
  2. Step 2: Convert to fraction form
    5,163.82/7,740.40 = 2,042.56/x
  3. Step 3: Cross multiply
    5,163.82x = 7,740.40 × 2,042.56
  4. Step 4: Simplify right side
    5,163.82x = 15,810,231.42
  5. Step 5: Solve for x
    x = 15,810,231.42/5,163.82
  6. Step 6: Final answer
    x = 3,061.73

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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.