Home / 7,918.34-11,873.12-3,241.64

Finding the Fourth Proportional to 7,918.34, 11,873.12 and 3,241.64

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Solution

The fourth proportional to 7,918.34, 11,873.12 and 3,241.64 is: 4,860.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.34 : 11,873.12 = 3,241.64 : x
  2. Step 2: Convert to fraction form
    7,918.34/11,873.12 = 3,241.64/x
  3. Step 3: Cross multiply
    7,918.34x = 11,873.12 × 3,241.64
  4. Step 4: Simplify right side
    7,918.34x = 38,488,380.72
  5. Step 5: Solve for x
    x = 38,488,380.72/7,918.34
  6. Step 6: Final answer
    x = 4,860.66

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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.