Home / 5,331.78-7,997.79-4,236.92

Finding the Fourth Proportional to 5,331.78, 7,997.79 and 4,236.92

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Solution

The fourth proportional to 5,331.78, 7,997.79 and 4,236.92 is: 6,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.78 : 7,997.79 = 4,236.92 : x
  2. Step 2: Convert to fraction form
    5,331.78/7,997.79 = 4,236.92/x
  3. Step 3: Cross multiply
    5,331.78x = 7,997.79 × 4,236.92
  4. Step 4: Simplify right side
    5,331.78x = 33,885,956.42
  5. Step 5: Solve for x
    x = 33,885,956.42/5,331.78
  6. Step 6: Final answer
    x = 6,355.47

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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.