Home / 6,876.31-9,489.30-3,732.50

Finding the Fourth Proportional to 6,876.31, 9,489.30 and 3,732.50

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Solution

The fourth proportional to 6,876.31, 9,489.30 and 3,732.50 is: 5,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.31 : 9,489.30 = 3,732.50 : x
  2. Step 2: Convert to fraction form
    6,876.31/9,489.30 = 3,732.50/x
  3. Step 3: Cross multiply
    6,876.31x = 9,489.30 × 3,732.50
  4. Step 4: Simplify right side
    6,876.31x = 35,418,764.80
  5. Step 5: Solve for x
    x = 35,418,764.80/6,876.31
  6. Step 6: Final answer
    x = 5,150.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.