Home / 6,799.20-10,190.32-3,679.12

Finding the Fourth Proportional to 6,799.20, 10,190.32 and 3,679.12

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Solution

The fourth proportional to 6,799.20, 10,190.32 and 3,679.12 is: 5,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.20 : 10,190.32 = 3,679.12 : x
  2. Step 2: Convert to fraction form
    6,799.20/10,190.32 = 3,679.12/x
  3. Step 3: Cross multiply
    6,799.20x = 10,190.32 × 3,679.12
  4. Step 4: Simplify right side
    6,799.20x = 37,491,410.12
  5. Step 5: Solve for x
    x = 37,491,410.12/6,799.20
  6. Step 6: Final answer
    x = 5,514.09

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1.5x scale

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.