Home / 4,078.21-6,114.85-2,226.75

Finding the Fourth Proportional to 4,078.21, 6,114.85 and 2,226.75

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Solution

The fourth proportional to 4,078.21, 6,114.85 and 2,226.75 is: 3,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.21 : 6,114.85 = 2,226.75 : x
  2. Step 2: Convert to fraction form
    4,078.21/6,114.85 = 2,226.75/x
  3. Step 3: Cross multiply
    4,078.21x = 6,114.85 × 2,226.75
  4. Step 4: Simplify right side
    4,078.21x = 13,616,242.24
  5. Step 5: Solve for x
    x = 13,616,242.24/4,078.21
  6. Step 6: Final answer
    x = 3,338.78

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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.