Home / 8,716.86-13,076.85-3,177.97

Finding the Fourth Proportional to 8,716.86, 13,076.85 and 3,177.97

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Solution

The fourth proportional to 8,716.86, 13,076.85 and 3,177.97 is: 4,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.86 : 13,076.85 = 3,177.97 : x
  2. Step 2: Convert to fraction form
    8,716.86/13,076.85 = 3,177.97/x
  3. Step 3: Cross multiply
    8,716.86x = 13,076.85 × 3,177.97
  4. Step 4: Simplify right side
    8,716.86x = 41,557,836.99
  5. Step 5: Solve for x
    x = 41,557,836.99/8,716.86
  6. Step 6: Final answer
    x = 4,767.53

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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.