Home / 8,531.28-12,797.06-3,268.71

Finding the Fourth Proportional to 8,531.28, 12,797.06 and 3,268.71

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Solution

The fourth proportional to 8,531.28, 12,797.06 and 3,268.71 is: 4,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.28 : 12,797.06 = 3,268.71 : x
  2. Step 2: Convert to fraction form
    8,531.28/12,797.06 = 3,268.71/x
  3. Step 3: Cross multiply
    8,531.28x = 12,797.06 × 3,268.71
  4. Step 4: Simplify right side
    8,531.28x = 41,829,861.65
  5. Step 5: Solve for x
    x = 41,829,861.65/8,531.28
  6. Step 6: Final answer
    x = 4,903.12

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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.