Home / 8,791.07-13,185.11-3,859.38

Finding the Fourth Proportional to 8,791.07, 13,185.11 and 3,859.38

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Solution

The fourth proportional to 8,791.07, 13,185.11 and 3,859.38 is: 5,788.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.07 : 13,185.11 = 3,859.38 : x
  2. Step 2: Convert to fraction form
    8,791.07/13,185.11 = 3,859.38/x
  3. Step 3: Cross multiply
    8,791.07x = 13,185.11 × 3,859.38
  4. Step 4: Simplify right side
    8,791.07x = 50,886,330.53
  5. Step 5: Solve for x
    x = 50,886,330.53/8,791.07
  6. Step 6: Final answer
    x = 5,788.41

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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.