Home / 7,551.12-11,324.70-3,388.80

Finding the Fourth Proportional to 7,551.12, 11,324.70 and 3,388.80

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Solution

The fourth proportional to 7,551.12, 11,324.70 and 3,388.80 is: 5,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.12 : 11,324.70 = 3,388.80 : x
  2. Step 2: Convert to fraction form
    7,551.12/11,324.70 = 3,388.80/x
  3. Step 3: Cross multiply
    7,551.12x = 11,324.70 × 3,388.80
  4. Step 4: Simplify right side
    7,551.12x = 38,377,143.36
  5. Step 5: Solve for x
    x = 38,377,143.36/7,551.12
  6. Step 6: Final answer
    x = 5,082.31

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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.