Home / 5,491.28-8,238.24-2,568.20

Finding the Fourth Proportional to 5,491.28, 8,238.24 and 2,568.20

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Solution

The fourth proportional to 5,491.28, 8,238.24 and 2,568.20 is: 3,852.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.28 : 8,238.24 = 2,568.20 : x
  2. Step 2: Convert to fraction form
    5,491.28/8,238.24 = 2,568.20/x
  3. Step 3: Cross multiply
    5,491.28x = 8,238.24 × 2,568.20
  4. Step 4: Simplify right side
    5,491.28x = 21,157,447.97
  5. Step 5: Solve for x
    x = 21,157,447.97/5,491.28
  6. Step 6: Final answer
    x = 3,852.92

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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.