Home / 4,247.36-6,375.84-3,392

Finding the Fourth Proportional to 4,247.36, 6,375.84 and 3,392

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Solution

The fourth proportional to 4,247.36, 6,375.84 and 3,392 is: 5,091.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.36 : 6,375.84 = 3,392 : x
  2. Step 2: Convert to fraction form
    4,247.36/6,375.84 = 3,392/x
  3. Step 3: Cross multiply
    4,247.36x = 6,375.84 × 3,392
  4. Step 4: Simplify right side
    4,247.36x = 21,626,849.28
  5. Step 5: Solve for x
    x = 21,626,849.28/4,247.36
  6. Step 6: Final answer
    x = 5,091.83

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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.