Home / 6,136.80-9,205.20-3,670.35

Finding the Fourth Proportional to 6,136.80, 9,205.20 and 3,670.35

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Solution

The fourth proportional to 6,136.80, 9,205.20 and 3,670.35 is: 5,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.80 : 9,205.20 = 3,670.35 : x
  2. Step 2: Convert to fraction form
    6,136.80/9,205.20 = 3,670.35/x
  3. Step 3: Cross multiply
    6,136.80x = 9,205.20 × 3,670.35
  4. Step 4: Simplify right side
    6,136.80x = 33,786,305.82
  5. Step 5: Solve for x
    x = 33,786,305.82/6,136.80
  6. Step 6: Final answer
    x = 5,505.53

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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.