Home / 4,252.91-6,379.97-1,331.51

Finding the Fourth Proportional to 4,252.91, 6,379.97 and 1,331.51

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Solution

The fourth proportional to 4,252.91, 6,379.97 and 1,331.51 is: 1,997.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.91 : 6,379.97 = 1,331.51 : x
  2. Step 2: Convert to fraction form
    4,252.91/6,379.97 = 1,331.51/x
  3. Step 3: Cross multiply
    4,252.91x = 6,379.97 × 1,331.51
  4. Step 4: Simplify right side
    4,252.91x = 8,494,955.30
  5. Step 5: Solve for x
    x = 8,494,955.30/4,252.91
  6. Step 6: Final answer
    x = 1,997.45

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Double scale
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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.