Home / 4,763.30-7,132.80-3,791.30

Finding the Fourth Proportional to 4,763.30, 7,132.80 and 3,791.30

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Solution

The fourth proportional to 4,763.30, 7,132.80 and 3,791.30 is: 5,677.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.30 : 7,132.80 = 3,791.30 : x
  2. Step 2: Convert to fraction form
    4,763.30/7,132.80 = 3,791.30/x
  3. Step 3: Cross multiply
    4,763.30x = 7,132.80 × 3,791.30
  4. Step 4: Simplify right side
    4,763.30x = 27,042,584.64
  5. Step 5: Solve for x
    x = 27,042,584.64/4,763.30
  6. Step 6: Final answer
    x = 5,677.28

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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.