Home / 7,945.73-11,916.31-3,201.88

Finding the Fourth Proportional to 7,945.73, 11,916.31 and 3,201.88

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Solution

The fourth proportional to 7,945.73, 11,916.31 and 3,201.88 is: 4,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.73 : 11,916.31 = 3,201.88 : x
  2. Step 2: Convert to fraction form
    7,945.73/11,916.31 = 3,201.88/x
  3. Step 3: Cross multiply
    7,945.73x = 11,916.31 × 3,201.88
  4. Step 4: Simplify right side
    7,945.73x = 38,154,519.07
  5. Step 5: Solve for x
    x = 38,154,519.07/7,945.73
  6. Step 6: Final answer
    x = 4,801.89

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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.