Home / 7,868.92-11,802.24-2,321.14

Finding the Fourth Proportional to 7,868.92, 11,802.24 and 2,321.14

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Solution

The fourth proportional to 7,868.92, 11,802.24 and 2,321.14 is: 3,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.92 : 11,802.24 = 2,321.14 : x
  2. Step 2: Convert to fraction form
    7,868.92/11,802.24 = 2,321.14/x
  3. Step 3: Cross multiply
    7,868.92x = 11,802.24 × 2,321.14
  4. Step 4: Simplify right side
    7,868.92x = 27,394,651.35
  5. Step 5: Solve for x
    x = 27,394,651.35/7,868.92
  6. Step 6: Final answer
    x = 3,481.37

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1.5x scale

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.