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Finding the Fourth Proportional to 6,744.84, 9,309.06 and 4,229.12

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Solution

The fourth proportional to 6,744.84, 9,309.06 and 4,229.12 is: 5,836.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.84 : 9,309.06 = 4,229.12 : x
  2. Step 2: Convert to fraction form
    6,744.84/9,309.06 = 4,229.12/x
  3. Step 3: Cross multiply
    6,744.84x = 9,309.06 × 4,229.12
  4. Step 4: Simplify right side
    6,744.84x = 39,369,131.83
  5. Step 5: Solve for x
    x = 39,369,131.83/6,744.84
  6. Step 6: Final answer
    x = 5,836.93

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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.