Home / 6,623.07-9,137.29-3,789.87

Finding the Fourth Proportional to 6,623.07, 9,137.29 and 3,789.87

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Solution

The fourth proportional to 6,623.07, 9,137.29 and 3,789.87 is: 5,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.07 : 9,137.29 = 3,789.87 : x
  2. Step 2: Convert to fraction form
    6,623.07/9,137.29 = 3,789.87/x
  3. Step 3: Cross multiply
    6,623.07x = 9,137.29 × 3,789.87
  4. Step 4: Simplify right side
    6,623.07x = 34,629,141.25
  5. Step 5: Solve for x
    x = 34,629,141.25/6,623.07
  6. Step 6: Final answer
    x = 5,228.56

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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.