Home / 6,519.25-9,778.88-2,137.02

Finding the Fourth Proportional to 6,519.25, 9,778.88 and 2,137.02

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Solution

The fourth proportional to 6,519.25, 9,778.88 and 2,137.02 is: 3,205.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.25 : 9,778.88 = 2,137.02 : x
  2. Step 2: Convert to fraction form
    6,519.25/9,778.88 = 2,137.02/x
  3. Step 3: Cross multiply
    6,519.25x = 9,778.88 × 2,137.02
  4. Step 4: Simplify right side
    6,519.25x = 20,897,662.14
  5. Step 5: Solve for x
    x = 20,897,662.14/6,519.25
  6. Step 6: Final answer
    x = 3,205.53

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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.