Home / 6,667.28-9,997.88-2,769.36

Finding the Fourth Proportional to 6,667.28, 9,997.88 and 2,769.36

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Solution

The fourth proportional to 6,667.28, 9,997.88 and 2,769.36 is: 4,152.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,667.28 : 9,997.88 = 2,769.36 : x
  2. Step 2: Convert to fraction form
    6,667.28/9,997.88 = 2,769.36/x
  3. Step 3: Cross multiply
    6,667.28x = 9,997.88 × 2,769.36
  4. Step 4: Simplify right side
    6,667.28x = 27,687,728.96
  5. Step 5: Solve for x
    x = 27,687,728.96/6,667.28
  6. Step 6: Final answer
    x = 4,152.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.