Home / 4,308.82-6,464.77-2,119.09

Finding the Fourth Proportional to 4,308.82, 6,464.77 and 2,119.09

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Solution

The fourth proportional to 4,308.82, 6,464.77 and 2,119.09 is: 3,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.82 : 6,464.77 = 2,119.09 : x
  2. Step 2: Convert to fraction form
    4,308.82/6,464.77 = 2,119.09/x
  3. Step 3: Cross multiply
    4,308.82x = 6,464.77 × 2,119.09
  4. Step 4: Simplify right side
    4,308.82x = 13,699,407.90
  5. Step 5: Solve for x
    x = 13,699,407.90/4,308.82
  6. Step 6: Final answer
    x = 3,179.39

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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.