Home / 4,393.20-6,074.28-3,839.88

Finding the Fourth Proportional to 4,393.20, 6,074.28 and 3,839.88

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Solution

The fourth proportional to 4,393.20, 6,074.28 and 3,839.88 is: 5,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.20 : 6,074.28 = 3,839.88 : x
  2. Step 2: Convert to fraction form
    4,393.20/6,074.28 = 3,839.88/x
  3. Step 3: Cross multiply
    4,393.20x = 6,074.28 × 3,839.88
  4. Step 4: Simplify right side
    4,393.20x = 23,324,506.29
  5. Step 5: Solve for x
    x = 23,324,506.29/4,393.20
  6. Step 6: Final answer
    x = 5,309.23

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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.