Home / 5,098.72-7,651.44-2,791.84

Finding the Fourth Proportional to 5,098.72, 7,651.44 and 2,791.84

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Solution

The fourth proportional to 5,098.72, 7,651.44 and 2,791.84 is: 4,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.72 : 7,651.44 = 2,791.84 : x
  2. Step 2: Convert to fraction form
    5,098.72/7,651.44 = 2,791.84/x
  3. Step 3: Cross multiply
    5,098.72x = 7,651.44 × 2,791.84
  4. Step 4: Simplify right side
    5,098.72x = 21,361,596.25
  5. Step 5: Solve for x
    x = 21,361,596.25/5,098.72
  6. Step 6: Final answer
    x = 4,189.60

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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.