Home / 6,971.68-9,620.92-3,784.97

Finding the Fourth Proportional to 6,971.68, 9,620.92 and 3,784.97

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Solution

The fourth proportional to 6,971.68, 9,620.92 and 3,784.97 is: 5,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.68 : 9,620.92 = 3,784.97 : x
  2. Step 2: Convert to fraction form
    6,971.68/9,620.92 = 3,784.97/x
  3. Step 3: Cross multiply
    6,971.68x = 9,620.92 × 3,784.97
  4. Step 4: Simplify right side
    6,971.68x = 36,414,893.57
  5. Step 5: Solve for x
    x = 36,414,893.57/6,971.68
  6. Step 6: Final answer
    x = 5,223.26

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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.