Home / 4,791.07-7,188.49-3,147.31

Finding the Fourth Proportional to 4,791.07, 7,188.49 and 3,147.31

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Solution

The fourth proportional to 4,791.07, 7,188.49 and 3,147.31 is: 4,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.07 : 7,188.49 = 3,147.31 : x
  2. Step 2: Convert to fraction form
    4,791.07/7,188.49 = 3,147.31/x
  3. Step 3: Cross multiply
    4,791.07x = 7,188.49 × 3,147.31
  4. Step 4: Simplify right side
    4,791.07x = 22,624,370.52
  5. Step 5: Solve for x
    x = 22,624,370.52/4,791.07
  6. Step 6: Final answer
    x = 4,722.20

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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.