Home / 7,918.25-11,869.05-2,651.96

Finding the Fourth Proportional to 7,918.25, 11,869.05 and 2,651.96

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Solution

The fourth proportional to 7,918.25, 11,869.05 and 2,651.96 is: 3,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.25 : 11,869.05 = 2,651.96 : x
  2. Step 2: Convert to fraction form
    7,918.25/11,869.05 = 2,651.96/x
  3. Step 3: Cross multiply
    7,918.25x = 11,869.05 × 2,651.96
  4. Step 4: Simplify right side
    7,918.25x = 31,476,186.49
  5. Step 5: Solve for x
    x = 31,476,186.49/7,918.25
  6. Step 6: Final answer
    x = 3,975.15

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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.