Home / 7,716.88-11,576.40-2,522.62

Finding the Fourth Proportional to 7,716.88, 11,576.40 and 2,522.62

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Solution

The fourth proportional to 7,716.88, 11,576.40 and 2,522.62 is: 3,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.88 : 11,576.40 = 2,522.62 : x
  2. Step 2: Convert to fraction form
    7,716.88/11,576.40 = 2,522.62/x
  3. Step 3: Cross multiply
    7,716.88x = 11,576.40 × 2,522.62
  4. Step 4: Simplify right side
    7,716.88x = 29,202,858.17
  5. Step 5: Solve for x
    x = 29,202,858.17/7,716.88
  6. Step 6: Final answer
    x = 3,784.28

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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.