Home / 6,743.80-9,305.27-3,911.43

Finding the Fourth Proportional to 6,743.80, 9,305.27 and 3,911.43

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Solution

The fourth proportional to 6,743.80, 9,305.27 and 3,911.43 is: 5,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.80 : 9,305.27 = 3,911.43 : x
  2. Step 2: Convert to fraction form
    6,743.80/9,305.27 = 3,911.43/x
  3. Step 3: Cross multiply
    6,743.80x = 9,305.27 × 3,911.43
  4. Step 4: Simplify right side
    6,743.80x = 36,396,892.68
  5. Step 5: Solve for x
    x = 36,396,892.68/6,743.80
  6. Step 6: Final answer
    x = 5,397.09

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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.