Home / 6,816.44-10,205.60-3,685.21

Finding the Fourth Proportional to 6,816.44, 10,205.60 and 3,685.21

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Solution

The fourth proportional to 6,816.44, 10,205.60 and 3,685.21 is: 5,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.44 : 10,205.60 = 3,685.21 : x
  2. Step 2: Convert to fraction form
    6,816.44/10,205.60 = 3,685.21/x
  3. Step 3: Cross multiply
    6,816.44x = 10,205.60 × 3,685.21
  4. Step 4: Simplify right side
    6,816.44x = 37,609,735.24
  5. Step 5: Solve for x
    x = 37,609,735.24/6,816.44
  6. Step 6: Final answer
    x = 5,517.50

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Half scale
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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.