Home / 5,239.41-7,859.16-1,343.85

Finding the Fourth Proportional to 5,239.41, 7,859.16 and 1,343.85

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Solution

The fourth proportional to 5,239.41, 7,859.16 and 1,343.85 is: 2,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.41 : 7,859.16 = 1,343.85 : x
  2. Step 2: Convert to fraction form
    5,239.41/7,859.16 = 1,343.85/x
  3. Step 3: Cross multiply
    5,239.41x = 7,859.16 × 1,343.85
  4. Step 4: Simplify right side
    5,239.41x = 10,561,486.15
  5. Step 5: Solve for x
    x = 10,561,486.15/5,239.41
  6. Step 6: Final answer
    x = 2,015.78

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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.