Home / 6,790.43-9,371.30-3,958.07

Finding the Fourth Proportional to 6,790.43, 9,371.30 and 3,958.07

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Solution

The fourth proportional to 6,790.43, 9,371.30 and 3,958.07 is: 5,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.43 : 9,371.30 = 3,958.07 : x
  2. Step 2: Convert to fraction form
    6,790.43/9,371.30 = 3,958.07/x
  3. Step 3: Cross multiply
    6,790.43x = 9,371.30 × 3,958.07
  4. Step 4: Simplify right side
    6,790.43x = 37,092,194.74
  5. Step 5: Solve for x
    x = 37,092,194.74/6,790.43
  6. Step 6: Final answer
    x = 5,462.42

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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.