Home / 6,819.40-10,224.30-2,657.80

Finding the Fourth Proportional to 6,819.40, 10,224.30 and 2,657.80

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Solution

The fourth proportional to 6,819.40, 10,224.30 and 2,657.80 is: 3,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.40 : 10,224.30 = 2,657.80 : x
  2. Step 2: Convert to fraction form
    6,819.40/10,224.30 = 2,657.80/x
  3. Step 3: Cross multiply
    6,819.40x = 10,224.30 × 2,657.80
  4. Step 4: Simplify right side
    6,819.40x = 27,174,144.54
  5. Step 5: Solve for x
    x = 27,174,144.54/6,819.40
  6. Step 6: Final answer
    x = 3,984.83

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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.