Home / 6,684.20-10,028.78-2,786.52

Finding the Fourth Proportional to 6,684.20, 10,028.78 and 2,786.52

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Solution

The fourth proportional to 6,684.20, 10,028.78 and 2,786.52 is: 4,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,684.20 : 10,028.78 = 2,786.52 : x
  2. Step 2: Convert to fraction form
    6,684.20/10,028.78 = 2,786.52/x
  3. Step 3: Cross multiply
    6,684.20x = 10,028.78 × 2,786.52
  4. Step 4: Simplify right side
    6,684.20x = 27,945,396.05
  5. Step 5: Solve for x
    x = 27,945,396.05/6,684.20
  6. Step 6: Final answer
    x = 4,180.81

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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.