Home / 7,677.87-11,514.52-3,294.28

Finding the Fourth Proportional to 7,677.87, 11,514.52 and 3,294.28

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Solution

The fourth proportional to 7,677.87, 11,514.52 and 3,294.28 is: 4,940.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.87 : 11,514.52 = 3,294.28 : x
  2. Step 2: Convert to fraction form
    7,677.87/11,514.52 = 3,294.28/x
  3. Step 3: Cross multiply
    7,677.87x = 11,514.52 × 3,294.28
  4. Step 4: Simplify right side
    7,677.87x = 37,932,052.95
  5. Step 5: Solve for x
    x = 37,932,052.95/7,677.87
  6. Step 6: Final answer
    x = 4,940.44

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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.