Home / 6,743.56-9,306.20-3,911.59

Finding the Fourth Proportional to 6,743.56, 9,306.20 and 3,911.59

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Solution

The fourth proportional to 6,743.56, 9,306.20 and 3,911.59 is: 5,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.56 : 9,306.20 = 3,911.59 : x
  2. Step 2: Convert to fraction form
    6,743.56/9,306.20 = 3,911.59/x
  3. Step 3: Cross multiply
    6,743.56x = 9,306.20 × 3,911.59
  4. Step 4: Simplify right side
    6,743.56x = 36,402,019.30
  5. Step 5: Solve for x
    x = 36,402,019.30/6,743.56
  6. Step 6: Final answer
    x = 5,398.04

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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.