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Finding the Fourth Proportional to 4,489.83, 6,197.97 and 2,789.89

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Solution

The fourth proportional to 4,489.83, 6,197.97 and 2,789.89 is: 3,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.83 : 6,197.97 = 2,789.89 : x
  2. Step 2: Convert to fraction form
    4,489.83/6,197.97 = 2,789.89/x
  3. Step 3: Cross multiply
    4,489.83x = 6,197.97 × 2,789.89
  4. Step 4: Simplify right side
    4,489.83x = 17,291,668.66
  5. Step 5: Solve for x
    x = 17,291,668.66/4,489.83
  6. Step 6: Final answer
    x = 3,851.30

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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.