Home / 4,381-6,571.26-1,786.12

Finding the Fourth Proportional to 4,381, 6,571.26 and 1,786.12

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Solution

The fourth proportional to 4,381, 6,571.26 and 1,786.12 is: 2,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381 : 6,571.26 = 1,786.12 : x
  2. Step 2: Convert to fraction form
    4,381/6,571.26 = 1,786.12/x
  3. Step 3: Cross multiply
    4,381x = 6,571.26 × 1,786.12
  4. Step 4: Simplify right side
    4,381x = 11,737,058.91
  5. Step 5: Solve for x
    x = 11,737,058.91/4,381
  6. Step 6: Final answer
    x = 2,679.08

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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.