Home / 6,724.20-9,269.28-5,305.44

Finding the Fourth Proportional to 6,724.20, 9,269.28 and 5,305.44

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Solution

The fourth proportional to 6,724.20, 9,269.28 and 5,305.44 is: 7,313.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.20 : 9,269.28 = 5,305.44 : x
  2. Step 2: Convert to fraction form
    6,724.20/9,269.28 = 5,305.44/x
  3. Step 3: Cross multiply
    6,724.20x = 9,269.28 × 5,305.44
  4. Step 4: Simplify right side
    6,724.20x = 49,177,608.88
  5. Step 5: Solve for x
    x = 49,177,608.88/6,724.20
  6. Step 6: Final answer
    x = 7,313.53

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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.