Home / 7,067.75-10,601.63-3,989.75

Finding the Fourth Proportional to 7,067.75, 10,601.63 and 3,989.75

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Solution

The fourth proportional to 7,067.75, 10,601.63 and 3,989.75 is: 5,984.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.75 : 10,601.63 = 3,989.75 : x
  2. Step 2: Convert to fraction form
    7,067.75/10,601.63 = 3,989.75/x
  3. Step 3: Cross multiply
    7,067.75x = 10,601.63 × 3,989.75
  4. Step 4: Simplify right side
    7,067.75x = 42,297,833.34
  5. Step 5: Solve for x
    x = 42,297,833.34/7,067.75
  6. Step 6: Final answer
    x = 5,984.63

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Similar ratio
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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.