Home / 6,747.75-9,313.11-3,953.25

Finding the Fourth Proportional to 6,747.75, 9,313.11 and 3,953.25

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Solution

The fourth proportional to 6,747.75, 9,313.11 and 3,953.25 is: 5,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.75 : 9,313.11 = 3,953.25 : x
  2. Step 2: Convert to fraction form
    6,747.75/9,313.11 = 3,953.25/x
  3. Step 3: Cross multiply
    6,747.75x = 9,313.11 × 3,953.25
  4. Step 4: Simplify right side
    6,747.75x = 36,817,052.11
  5. Step 5: Solve for x
    x = 36,817,052.11/6,747.75
  6. Step 6: Final answer
    x = 5,456.20

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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.