Home / 5,067.20-7,600.72-4,199.68

Finding the Fourth Proportional to 5,067.20, 7,600.72 and 4,199.68

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Solution

The fourth proportional to 5,067.20, 7,600.72 and 4,199.68 is: 6,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.20 : 7,600.72 = 4,199.68 : x
  2. Step 2: Convert to fraction form
    5,067.20/7,600.72 = 4,199.68/x
  3. Step 3: Cross multiply
    5,067.20x = 7,600.72 × 4,199.68
  4. Step 4: Simplify right side
    5,067.20x = 31,920,591.77
  5. Step 5: Solve for x
    x = 31,920,591.77/5,067.20
  6. Step 6: Final answer
    x = 6,299.45

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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.