Home / 4,850.11-7,278.20-2,217.21

Finding the Fourth Proportional to 4,850.11, 7,278.20 and 2,217.21

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Solution

The fourth proportional to 4,850.11, 7,278.20 and 2,217.21 is: 3,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.11 : 7,278.20 = 2,217.21 : x
  2. Step 2: Convert to fraction form
    4,850.11/7,278.20 = 2,217.21/x
  3. Step 3: Cross multiply
    4,850.11x = 7,278.20 × 2,217.21
  4. Step 4: Simplify right side
    4,850.11x = 16,137,297.82
  5. Step 5: Solve for x
    x = 16,137,297.82/4,850.11
  6. Step 6: Final answer
    x = 3,327.20

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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.