Home / 5,771.20-7,963.82-3,253.18

Finding the Fourth Proportional to 5,771.20, 7,963.82 and 3,253.18

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Solution

The fourth proportional to 5,771.20, 7,963.82 and 3,253.18 is: 4,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.20 : 7,963.82 = 3,253.18 : x
  2. Step 2: Convert to fraction form
    5,771.20/7,963.82 = 3,253.18/x
  3. Step 3: Cross multiply
    5,771.20x = 7,963.82 × 3,253.18
  4. Step 4: Simplify right side
    5,771.20x = 25,907,739.95
  5. Step 5: Solve for x
    x = 25,907,739.95/5,771.20
  6. Step 6: Final answer
    x = 4,489.14

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1.5x scale

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.