Home / 11,252.72-16,879.53-3,857.91

Finding the Fourth Proportional to 11,252.72, 16,879.53 and 3,857.91

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Solution

The fourth proportional to 11,252.72, 16,879.53 and 3,857.91 is: 5,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,252.72 : 16,879.53 = 3,857.91 : x
  2. Step 2: Convert to fraction form
    11,252.72/16,879.53 = 3,857.91/x
  3. Step 3: Cross multiply
    11,252.72x = 16,879.53 × 3,857.91
  4. Step 4: Simplify right side
    11,252.72x = 65,119,707.58
  5. Step 5: Solve for x
    x = 65,119,707.58/11,252.72
  6. Step 6: Final answer
    x = 5,787.02

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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.