Home / 8,568.66-12,851.87-2,725.30

Finding the Fourth Proportional to 8,568.66, 12,851.87 and 2,725.30

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Solution

The fourth proportional to 8,568.66, 12,851.87 and 2,725.30 is: 4,087.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.66 : 12,851.87 = 2,725.30 : x
  2. Step 2: Convert to fraction form
    8,568.66/12,851.87 = 2,725.30/x
  3. Step 3: Cross multiply
    8,568.66x = 12,851.87 × 2,725.30
  4. Step 4: Simplify right side
    8,568.66x = 35,025,201.31
  5. Step 5: Solve for x
    x = 35,025,201.31/8,568.66
  6. Step 6: Final answer
    x = 4,087.59

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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.