Home / 3,872.43-5,811.08-3,623.36

Finding the Fourth Proportional to 3,872.43, 5,811.08 and 3,623.36

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Solution

The fourth proportional to 3,872.43, 5,811.08 and 3,623.36 is: 5,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.43 : 5,811.08 = 3,623.36 : x
  2. Step 2: Convert to fraction form
    3,872.43/5,811.08 = 3,623.36/x
  3. Step 3: Cross multiply
    3,872.43x = 5,811.08 × 3,623.36
  4. Step 4: Simplify right side
    3,872.43x = 21,055,587.66
  5. Step 5: Solve for x
    x = 21,055,587.66/3,872.43
  6. Step 6: Final answer
    x = 5,437.31

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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.