Home / 6,766.88-10,154.46-2,871.28

Finding the Fourth Proportional to 6,766.88, 10,154.46 and 2,871.28

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Solution

The fourth proportional to 6,766.88, 10,154.46 and 2,871.28 is: 4,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766.88 : 10,154.46 = 2,871.28 : x
  2. Step 2: Convert to fraction form
    6,766.88/10,154.46 = 2,871.28/x
  3. Step 3: Cross multiply
    6,766.88x = 10,154.46 × 2,871.28
  4. Step 4: Simplify right side
    6,766.88x = 29,156,321.37
  5. Step 5: Solve for x
    x = 29,156,321.37/6,766.88
  6. Step 6: Final answer
    x = 4,308.68

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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.