Home / 8,906.05-13,359.19-3,975.96

Finding the Fourth Proportional to 8,906.05, 13,359.19 and 3,975.96

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Solution

The fourth proportional to 8,906.05, 13,359.19 and 3,975.96 is: 5,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.05 : 13,359.19 = 3,975.96 : x
  2. Step 2: Convert to fraction form
    8,906.05/13,359.19 = 3,975.96/x
  3. Step 3: Cross multiply
    8,906.05x = 13,359.19 × 3,975.96
  4. Step 4: Simplify right side
    8,906.05x = 53,115,605.07
  5. Step 5: Solve for x
    x = 53,115,605.07/8,906.05
  6. Step 6: Final answer
    x = 5,963.99

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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.