Home / 4,338.43-6,518.34-2,779.11

Finding the Fourth Proportional to 4,338.43, 6,518.34 and 2,779.11

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Solution

The fourth proportional to 4,338.43, 6,518.34 and 2,779.11 is: 4,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.43 : 6,518.34 = 2,779.11 : x
  2. Step 2: Convert to fraction form
    4,338.43/6,518.34 = 2,779.11/x
  3. Step 3: Cross multiply
    4,338.43x = 6,518.34 × 2,779.11
  4. Step 4: Simplify right side
    4,338.43x = 18,115,183.88
  5. Step 5: Solve for x
    x = 18,115,183.88/4,338.43
  6. Step 6: Final answer
    x = 4,175.52

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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.