Home / 4,196.86-5,791.97-2,778.07

Finding the Fourth Proportional to 4,196.86, 5,791.97 and 2,778.07

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Solution

The fourth proportional to 4,196.86, 5,791.97 and 2,778.07 is: 3,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,196.86 : 5,791.97 = 2,778.07 : x
  2. Step 2: Convert to fraction form
    4,196.86/5,791.97 = 2,778.07/x
  3. Step 3: Cross multiply
    4,196.86x = 5,791.97 × 2,778.07
  4. Step 4: Simplify right side
    4,196.86x = 16,090,484.21
  5. Step 5: Solve for x
    x = 16,090,484.21/4,196.86
  6. Step 6: Final answer
    x = 3,833.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.