Home / 4,252.78-6,379.44-1,331.92

Finding the Fourth Proportional to 4,252.78, 6,379.44 and 1,331.92

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Solution

The fourth proportional to 4,252.78, 6,379.44 and 1,331.92 is: 1,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.78 : 6,379.44 = 1,331.92 : x
  2. Step 2: Convert to fraction form
    4,252.78/6,379.44 = 1,331.92/x
  3. Step 3: Cross multiply
    4,252.78x = 6,379.44 × 1,331.92
  4. Step 4: Simplify right side
    4,252.78x = 8,496,903.72
  5. Step 5: Solve for x
    x = 8,496,903.72/4,252.78
  6. Step 6: Final answer
    x = 1,997.96

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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.