Home / 4,418.25-6,621.18-3,179.85

Finding the Fourth Proportional to 4,418.25, 6,621.18 and 3,179.85

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Solution

The fourth proportional to 4,418.25, 6,621.18 and 3,179.85 is: 4,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.25 : 6,621.18 = 3,179.85 : x
  2. Step 2: Convert to fraction form
    4,418.25/6,621.18 = 3,179.85/x
  3. Step 3: Cross multiply
    4,418.25x = 6,621.18 × 3,179.85
  4. Step 4: Simplify right side
    4,418.25x = 21,054,359.22
  5. Step 5: Solve for x
    x = 21,054,359.22/4,418.25
  6. Step 6: Final answer
    x = 4,765.32

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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.