Home / 7,869.16-11,802.03-2,321.56

Finding the Fourth Proportional to 7,869.16, 11,802.03 and 2,321.56

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Solution

The fourth proportional to 7,869.16, 11,802.03 and 2,321.56 is: 3,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869.16 : 11,802.03 = 2,321.56 : x
  2. Step 2: Convert to fraction form
    7,869.16/11,802.03 = 2,321.56/x
  3. Step 3: Cross multiply
    7,869.16x = 11,802.03 × 2,321.56
  4. Step 4: Simplify right side
    7,869.16x = 27,399,120.77
  5. Step 5: Solve for x
    x = 27,399,120.77/7,869.16
  6. Step 6: Final answer
    x = 3,481.84

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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.