Home / 4,193.78-6,289.58-2,216.75

Finding the Fourth Proportional to 4,193.78, 6,289.58 and 2,216.75

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Solution

The fourth proportional to 4,193.78, 6,289.58 and 2,216.75 is: 3,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.78 : 6,289.58 = 2,216.75 : x
  2. Step 2: Convert to fraction form
    4,193.78/6,289.58 = 2,216.75/x
  3. Step 3: Cross multiply
    4,193.78x = 6,289.58 × 2,216.75
  4. Step 4: Simplify right side
    4,193.78x = 13,942,383.93
  5. Step 5: Solve for x
    x = 13,942,383.93/4,193.78
  6. Step 6: Final answer
    x = 3,324.54

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Half scale
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Double scale
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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.