Home / 7,954.20-11,927.88-3,027.78

Finding the Fourth Proportional to 7,954.20, 11,927.88 and 3,027.78

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Solution

The fourth proportional to 7,954.20, 11,927.88 and 3,027.78 is: 4,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.20 : 11,927.88 = 3,027.78 : x
  2. Step 2: Convert to fraction form
    7,954.20/11,927.88 = 3,027.78/x
  3. Step 3: Cross multiply
    7,954.20x = 11,927.88 × 3,027.78
  4. Step 4: Simplify right side
    7,954.20x = 36,114,996.51
  5. Step 5: Solve for x
    x = 36,114,996.51/7,954.20
  6. Step 6: Final answer
    x = 4,540.37

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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.