Home / 9,127.29-13,690.79-2,553.38

Finding the Fourth Proportional to 9,127.29, 13,690.79 and 2,553.38

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Solution

The fourth proportional to 9,127.29, 13,690.79 and 2,553.38 is: 3,830.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.29 : 13,690.79 = 2,553.38 : x
  2. Step 2: Convert to fraction form
    9,127.29/13,690.79 = 2,553.38/x
  3. Step 3: Cross multiply
    9,127.29x = 13,690.79 × 2,553.38
  4. Step 4: Simplify right side
    9,127.29x = 34,957,789.37
  5. Step 5: Solve for x
    x = 34,957,789.37/9,127.29
  6. Step 6: Final answer
    x = 3,830.03

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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.