Home / 4,517.28-6,771.24-2,321.12

Finding the Fourth Proportional to 4,517.28, 6,771.24 and 2,321.12

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Solution

The fourth proportional to 4,517.28, 6,771.24 and 2,321.12 is: 3,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.28 : 6,771.24 = 2,321.12 : x
  2. Step 2: Convert to fraction form
    4,517.28/6,771.24 = 2,321.12/x
  3. Step 3: Cross multiply
    4,517.28x = 6,771.24 × 2,321.12
  4. Step 4: Simplify right side
    4,517.28x = 15,716,860.59
  5. Step 5: Solve for x
    x = 15,716,860.59/4,517.28
  6. Step 6: Final answer
    x = 3,479.28

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1.5x scale

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.