Home / 6,790.38-9,371.26-3,996.42

Finding the Fourth Proportional to 6,790.38, 9,371.26 and 3,996.42

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Solution

The fourth proportional to 6,790.38, 9,371.26 and 3,996.42 is: 5,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.38 : 9,371.26 = 3,996.42 : x
  2. Step 2: Convert to fraction form
    6,790.38/9,371.26 = 3,996.42/x
  3. Step 3: Cross multiply
    6,790.38x = 9,371.26 × 3,996.42
  4. Step 4: Simplify right side
    6,790.38x = 37,451,490.89
  5. Step 5: Solve for x
    x = 37,451,490.89/6,790.38
  6. Step 6: Final answer
    x = 5,515.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.