Home / 5,042.52-7,563.06-2,791.80

Finding the Fourth Proportional to 5,042.52, 7,563.06 and 2,791.80

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Solution

The fourth proportional to 5,042.52, 7,563.06 and 2,791.80 is: 4,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.52 : 7,563.06 = 2,791.80 : x
  2. Step 2: Convert to fraction form
    5,042.52/7,563.06 = 2,791.80/x
  3. Step 3: Cross multiply
    5,042.52x = 7,563.06 × 2,791.80
  4. Step 4: Simplify right side
    5,042.52x = 21,114,550.91
  5. Step 5: Solve for x
    x = 21,114,550.91/5,042.52
  6. Step 6: Final answer
    x = 4,187.30

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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.