Home / 4,002.21-5,523.12-2,209.77

Finding the Fourth Proportional to 4,002.21, 5,523.12 and 2,209.77

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Solution

The fourth proportional to 4,002.21, 5,523.12 and 2,209.77 is: 3,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.21 : 5,523.12 = 2,209.77 : x
  2. Step 2: Convert to fraction form
    4,002.21/5,523.12 = 2,209.77/x
  3. Step 3: Cross multiply
    4,002.21x = 5,523.12 × 2,209.77
  4. Step 4: Simplify right side
    4,002.21x = 12,204,824.88
  5. Step 5: Solve for x
    x = 12,204,824.88/4,002.21
  6. Step 6: Final answer
    x = 3,049.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.