Home / 4,418.36-6,621.60-1,819.88

Finding the Fourth Proportional to 4,418.36, 6,621.60 and 1,819.88

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Solution

The fourth proportional to 4,418.36, 6,621.60 and 1,819.88 is: 2,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.36 : 6,621.60 = 1,819.88 : x
  2. Step 2: Convert to fraction form
    4,418.36/6,621.60 = 1,819.88/x
  3. Step 3: Cross multiply
    4,418.36x = 6,621.60 × 1,819.88
  4. Step 4: Simplify right side
    4,418.36x = 12,050,517.41
  5. Step 5: Solve for x
    x = 12,050,517.41/4,418.36
  6. Step 6: Final answer
    x = 2,727.37

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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.