Home / 6,136.70-9,205.05-3,803.90

Finding the Fourth Proportional to 6,136.70, 9,205.05 and 3,803.90

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Solution

The fourth proportional to 6,136.70, 9,205.05 and 3,803.90 is: 5,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.70 : 9,205.05 = 3,803.90 : x
  2. Step 2: Convert to fraction form
    6,136.70/9,205.05 = 3,803.90/x
  3. Step 3: Cross multiply
    6,136.70x = 9,205.05 × 3,803.90
  4. Step 4: Simplify right side
    6,136.70x = 35,015,089.70
  5. Step 5: Solve for x
    x = 35,015,089.70/6,136.70
  6. Step 6: Final answer
    x = 5,705.85

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Similar ratio
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1.5x scale

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.