Home / 6,869.28-10,296-3,581.28

Finding the Fourth Proportional to 6,869.28, 10,296 and 3,581.28

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Solution

The fourth proportional to 6,869.28, 10,296 and 3,581.28 is: 5,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.28 : 10,296 = 3,581.28 : x
  2. Step 2: Convert to fraction form
    6,869.28/10,296 = 3,581.28/x
  3. Step 3: Cross multiply
    6,869.28x = 10,296 × 3,581.28
  4. Step 4: Simplify right side
    6,869.28x = 36,872,858.88
  5. Step 5: Solve for x
    x = 36,872,858.88/6,869.28
  6. Step 6: Final answer
    x = 5,367.79

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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.