Home / 6,743.76-9,306.98-3,949.80

Finding the Fourth Proportional to 6,743.76, 9,306.98 and 3,949.80

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Solution

The fourth proportional to 6,743.76, 9,306.98 and 3,949.80 is: 5,451.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.76 : 9,306.98 = 3,949.80 : x
  2. Step 2: Convert to fraction form
    6,743.76/9,306.98 = 3,949.80/x
  3. Step 3: Cross multiply
    6,743.76x = 9,306.98 × 3,949.80
  4. Step 4: Simplify right side
    6,743.76x = 36,760,709.60
  5. Step 5: Solve for x
    x = 36,760,709.60/6,743.76
  6. Step 6: Final answer
    x = 5,451.07

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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.