Home / 6,744.20-9,307.08-3,949.68

Finding the Fourth Proportional to 6,744.20, 9,307.08 and 3,949.68

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Solution

The fourth proportional to 6,744.20, 9,307.08 and 3,949.68 is: 5,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.20 : 9,307.08 = 3,949.68 : x
  2. Step 2: Convert to fraction form
    6,744.20/9,307.08 = 3,949.68/x
  3. Step 3: Cross multiply
    6,744.20x = 9,307.08 × 3,949.68
  4. Step 4: Simplify right side
    6,744.20x = 36,759,987.73
  5. Step 5: Solve for x
    x = 36,759,987.73/6,744.20
  6. Step 6: Final answer
    x = 5,450.61

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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.