Home / 5,771.20-7,963.84-3,287.04

Finding the Fourth Proportional to 5,771.20, 7,963.84 and 3,287.04

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Solution

The fourth proportional to 5,771.20, 7,963.84 and 3,287.04 is: 4,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.20 : 7,963.84 = 3,287.04 : x
  2. Step 2: Convert to fraction form
    5,771.20/7,963.84 = 3,287.04/x
  3. Step 3: Cross multiply
    5,771.20x = 7,963.84 × 3,287.04
  4. Step 4: Simplify right side
    5,771.20x = 26,177,460.63
  5. Step 5: Solve for x
    x = 26,177,460.63/5,771.20
  6. Step 6: Final answer
    x = 4,535.88

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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.