Home / 6,623.97-9,141.27-3,639.99

Finding the Fourth Proportional to 6,623.97, 9,141.27 and 3,639.99

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Solution

The fourth proportional to 6,623.97, 9,141.27 and 3,639.99 is: 5,023.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.97 : 9,141.27 = 3,639.99 : x
  2. Step 2: Convert to fraction form
    6,623.97/9,141.27 = 3,639.99/x
  3. Step 3: Cross multiply
    6,623.97x = 9,141.27 × 3,639.99
  4. Step 4: Simplify right side
    6,623.97x = 33,274,131.39
  5. Step 5: Solve for x
    x = 33,274,131.39/6,623.97
  6. Step 6: Final answer
    x = 5,023.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.