Home / 6,817.18-10,231.38-3,531.28

Finding the Fourth Proportional to 6,817.18, 10,231.38 and 3,531.28

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Solution

The fourth proportional to 6,817.18, 10,231.38 and 3,531.28 is: 5,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.18 : 10,231.38 = 3,531.28 : x
  2. Step 2: Convert to fraction form
    6,817.18/10,231.38 = 3,531.28/x
  3. Step 3: Cross multiply
    6,817.18x = 10,231.38 × 3,531.28
  4. Step 4: Simplify right side
    6,817.18x = 36,129,867.57
  5. Step 5: Solve for x
    x = 36,129,867.57/6,817.18
  6. Step 6: Final answer
    x = 5,299.83

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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.