Home / 6,744.60-10,115.28-3,456

Finding the Fourth Proportional to 6,744.60, 10,115.28 and 3,456

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Solution

The fourth proportional to 6,744.60, 10,115.28 and 3,456 is: 5,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.60 : 10,115.28 = 3,456 : x
  2. Step 2: Convert to fraction form
    6,744.60/10,115.28 = 3,456/x
  3. Step 3: Cross multiply
    6,744.60x = 10,115.28 × 3,456
  4. Step 4: Simplify right side
    6,744.60x = 34,958,407.68
  5. Step 5: Solve for x
    x = 34,958,407.68/6,744.60
  6. Step 6: Final answer
    x = 5,183.17

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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.