Home / 7,872.11-11,809.43-2,326.01

Finding the Fourth Proportional to 7,872.11, 11,809.43 and 2,326.01

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Solution

The fourth proportional to 7,872.11, 11,809.43 and 2,326.01 is: 3,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.11 : 11,809.43 = 2,326.01 : x
  2. Step 2: Convert to fraction form
    7,872.11/11,809.43 = 2,326.01/x
  3. Step 3: Cross multiply
    7,872.11x = 11,809.43 × 2,326.01
  4. Step 4: Simplify right side
    7,872.11x = 27,468,799.04
  5. Step 5: Solve for x
    x = 27,468,799.04/7,872.11
  6. Step 6: Final answer
    x = 3,489.38

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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.