Home / 6,743.58-9,306.15-3,911.49

Finding the Fourth Proportional to 6,743.58, 9,306.15 and 3,911.49

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Solution

The fourth proportional to 6,743.58, 9,306.15 and 3,911.49 is: 5,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.58 : 9,306.15 = 3,911.49 : x
  2. Step 2: Convert to fraction form
    6,743.58/9,306.15 = 3,911.49/x
  3. Step 3: Cross multiply
    6,743.58x = 9,306.15 × 3,911.49
  4. Step 4: Simplify right side
    6,743.58x = 36,400,912.66
  5. Step 5: Solve for x
    x = 36,400,912.66/6,743.58
  6. Step 6: Final answer
    x = 5,397.86

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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.