Home / 7,808.45-11,717.96-2,882.03

Finding the Fourth Proportional to 7,808.45, 11,717.96 and 2,882.03

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Solution

The fourth proportional to 7,808.45, 11,717.96 and 2,882.03 is: 4,324.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.45 : 11,717.96 = 2,882.03 : x
  2. Step 2: Convert to fraction form
    7,808.45/11,717.96 = 2,882.03/x
  3. Step 3: Cross multiply
    7,808.45x = 11,717.96 × 2,882.03
  4. Step 4: Simplify right side
    7,808.45x = 33,771,439.26
  5. Step 5: Solve for x
    x = 33,771,439.26/7,808.45
  6. Step 6: Final answer
    x = 4,324.99

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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.