Home / 4,165.20-6,249.78-2,604.78

Finding the Fourth Proportional to 4,165.20, 6,249.78 and 2,604.78

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Solution

The fourth proportional to 4,165.20, 6,249.78 and 2,604.78 is: 3,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,165.20 : 6,249.78 = 2,604.78 : x
  2. Step 2: Convert to fraction form
    4,165.20/6,249.78 = 2,604.78/x
  3. Step 3: Cross multiply
    4,165.20x = 6,249.78 × 2,604.78
  4. Step 4: Simplify right side
    4,165.20x = 16,279,301.95
  5. Step 5: Solve for x
    x = 16,279,301.95/4,165.20
  6. Step 6: Final answer
    x = 3,908.41

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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.