Home / 4,886.72-6,743.76-2,791.04

Finding the Fourth Proportional to 4,886.72, 6,743.76 and 2,791.04

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Solution

The fourth proportional to 4,886.72, 6,743.76 and 2,791.04 is: 3,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.72 : 6,743.76 = 2,791.04 : x
  2. Step 2: Convert to fraction form
    4,886.72/6,743.76 = 2,791.04/x
  3. Step 3: Cross multiply
    4,886.72x = 6,743.76 × 2,791.04
  4. Step 4: Simplify right side
    4,886.72x = 18,822,103.91
  5. Step 5: Solve for x
    x = 18,822,103.91/4,886.72
  6. Step 6: Final answer
    x = 3,851.68

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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.