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Finding the Fourth Proportional to 5,677, 7,833.07 and 3,318.68

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Solution

The fourth proportional to 5,677, 7,833.07 and 3,318.68 is: 4,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677 : 7,833.07 = 3,318.68 : x
  2. Step 2: Convert to fraction form
    5,677/7,833.07 = 3,318.68/x
  3. Step 3: Cross multiply
    5,677x = 7,833.07 × 3,318.68
  4. Step 4: Simplify right side
    5,677x = 25,995,452.75
  5. Step 5: Solve for x
    x = 25,995,452.75/5,677
  6. Step 6: Final answer
    x = 4,579.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.