Home / 6,819.31-10,238.54-3,489.94

Finding the Fourth Proportional to 6,819.31, 10,238.54 and 3,489.94

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Solution

The fourth proportional to 6,819.31, 10,238.54 and 3,489.94 is: 5,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.31 : 10,238.54 = 3,489.94 : x
  2. Step 2: Convert to fraction form
    6,819.31/10,238.54 = 3,489.94/x
  3. Step 3: Cross multiply
    6,819.31x = 10,238.54 × 3,489.94
  4. Step 4: Simplify right side
    6,819.31x = 35,731,821.65
  5. Step 5: Solve for x
    x = 35,731,821.65/6,819.31
  6. Step 6: Final answer
    x = 5,239.80

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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.