Home / 4,310.82-6,467.77-2,121.09

Finding the Fourth Proportional to 4,310.82, 6,467.77 and 2,121.09

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Solution

The fourth proportional to 4,310.82, 6,467.77 and 2,121.09 is: 3,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.82 : 6,467.77 = 2,121.09 : x
  2. Step 2: Convert to fraction form
    4,310.82/6,467.77 = 2,121.09/x
  3. Step 3: Cross multiply
    4,310.82x = 6,467.77 × 2,121.09
  4. Step 4: Simplify right side
    4,310.82x = 13,718,722.27
  5. Step 5: Solve for x
    x = 13,718,722.27/4,310.82
  6. Step 6: Final answer
    x = 3,182.39

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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.