Home / 4,136.82-6,205.50-1,539.78

Finding the Fourth Proportional to 4,136.82, 6,205.50 and 1,539.78

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Solution

The fourth proportional to 4,136.82, 6,205.50 and 1,539.78 is: 2,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.82 : 6,205.50 = 1,539.78 : x
  2. Step 2: Convert to fraction form
    4,136.82/6,205.50 = 1,539.78/x
  3. Step 3: Cross multiply
    4,136.82x = 6,205.50 × 1,539.78
  4. Step 4: Simplify right side
    4,136.82x = 9,555,104.79
  5. Step 5: Solve for x
    x = 9,555,104.79/4,136.82
  6. Step 6: Final answer
    x = 2,309.77

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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.