Home / 7,067.28-10,600.92-1,872.96

Finding the Fourth Proportional to 7,067.28, 10,600.92 and 1,872.96

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Solution

The fourth proportional to 7,067.28, 10,600.92 and 1,872.96 is: 2,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.28 : 10,600.92 = 1,872.96 : x
  2. Step 2: Convert to fraction form
    7,067.28/10,600.92 = 1,872.96/x
  3. Step 3: Cross multiply
    7,067.28x = 10,600.92 × 1,872.96
  4. Step 4: Simplify right side
    7,067.28x = 19,855,099.12
  5. Step 5: Solve for x
    x = 19,855,099.12/7,067.28
  6. Step 6: Final answer
    x = 2,809.44

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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.