Home / 6,815.83-10,221.57-2,197.75

Finding the Fourth Proportional to 6,815.83, 10,221.57 and 2,197.75

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Solution

The fourth proportional to 6,815.83, 10,221.57 and 2,197.75 is: 3,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.83 : 10,221.57 = 2,197.75 : x
  2. Step 2: Convert to fraction form
    6,815.83/10,221.57 = 2,197.75/x
  3. Step 3: Cross multiply
    6,815.83x = 10,221.57 × 2,197.75
  4. Step 4: Simplify right side
    6,815.83x = 22,464,455.47
  5. Step 5: Solve for x
    x = 22,464,455.47/6,815.83
  6. Step 6: Final answer
    x = 3,295.92

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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.