Home / 6,744.32-9,306.72-3,911.79

Finding the Fourth Proportional to 6,744.32, 9,306.72 and 3,911.79

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Solution

The fourth proportional to 6,744.32, 9,306.72 and 3,911.79 is: 5,398.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.32 : 9,306.72 = 3,911.79 : x
  2. Step 2: Convert to fraction form
    6,744.32/9,306.72 = 3,911.79/x
  3. Step 3: Cross multiply
    6,744.32x = 9,306.72 × 3,911.79
  4. Step 4: Simplify right side
    6,744.32x = 36,405,934.23
  5. Step 5: Solve for x
    x = 36,405,934.23/6,744.32
  6. Step 6: Final answer
    x = 5,398.02

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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.