Home / 4,136.95-6,205.43-2,909.85

Finding the Fourth Proportional to 4,136.95, 6,205.43 and 2,909.85

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Solution

The fourth proportional to 4,136.95, 6,205.43 and 2,909.85 is: 4,364.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.95 : 6,205.43 = 2,909.85 : x
  2. Step 2: Convert to fraction form
    4,136.95/6,205.43 = 2,909.85/x
  3. Step 3: Cross multiply
    4,136.95x = 6,205.43 × 2,909.85
  4. Step 4: Simplify right side
    4,136.95x = 18,056,873.03
  5. Step 5: Solve for x
    x = 18,056,873.03/4,136.95
  6. Step 6: Final answer
    x = 4,364.78

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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.