Home / 4,187.72-6,279.14-2,238.86

Finding the Fourth Proportional to 4,187.72, 6,279.14 and 2,238.86

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Solution

The fourth proportional to 4,187.72, 6,279.14 and 2,238.86 is: 3,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.72 : 6,279.14 = 2,238.86 : x
  2. Step 2: Convert to fraction form
    4,187.72/6,279.14 = 2,238.86/x
  3. Step 3: Cross multiply
    4,187.72x = 6,279.14 × 2,238.86
  4. Step 4: Simplify right side
    4,187.72x = 14,058,136.68
  5. Step 5: Solve for x
    x = 14,058,136.68/4,187.72
  6. Step 6: Final answer
    x = 3,356.99

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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.