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Finding the Fourth Proportional to 4,308.82, 6,464.86 and 2,935.11

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Solution

The fourth proportional to 4,308.82, 6,464.86 and 2,935.11 is: 4,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.82 : 6,464.86 = 2,935.11 : x
  2. Step 2: Convert to fraction form
    4,308.82/6,464.86 = 2,935.11/x
  3. Step 3: Cross multiply
    4,308.82x = 6,464.86 × 2,935.11
  4. Step 4: Simplify right side
    4,308.82x = 18,975,067.90
  5. Step 5: Solve for x
    x = 18,975,067.90/4,308.82
  6. Step 6: Final answer
    x = 4,403.78

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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.