Home / 7,747.26-11,617.24-2,813.42

Finding the Fourth Proportional to 7,747.26, 11,617.24 and 2,813.42

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Solution

The fourth proportional to 7,747.26, 11,617.24 and 2,813.42 is: 4,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.26 : 11,617.24 = 2,813.42 : x
  2. Step 2: Convert to fraction form
    7,747.26/11,617.24 = 2,813.42/x
  3. Step 3: Cross multiply
    7,747.26x = 11,617.24 × 2,813.42
  4. Step 4: Simplify right side
    7,747.26x = 32,684,175.36
  5. Step 5: Solve for x
    x = 32,684,175.36/7,747.26
  6. Step 6: Final answer
    x = 4,218.80

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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.