Home / 6,744.32-9,306.96-3,911.76

Finding the Fourth Proportional to 6,744.32, 9,306.96 and 3,911.76

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Solution

The fourth proportional to 6,744.32, 9,306.96 and 3,911.76 is: 5,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.32 : 9,306.96 = 3,911.76 : x
  2. Step 2: Convert to fraction form
    6,744.32/9,306.96 = 3,911.76/x
  3. Step 3: Cross multiply
    6,744.32x = 9,306.96 × 3,911.76
  4. Step 4: Simplify right side
    6,744.32x = 36,406,593.85
  5. Step 5: Solve for x
    x = 36,406,593.85/6,744.32
  6. Step 6: Final answer
    x = 5,398.11

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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.