Home / 9,288.38-13,936.81-5,072.96

Finding the Fourth Proportional to 9,288.38, 13,936.81 and 5,072.96

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Solution

The fourth proportional to 9,288.38, 13,936.81 and 5,072.96 is: 7,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.38 : 13,936.81 = 5,072.96 : x
  2. Step 2: Convert to fraction form
    9,288.38/13,936.81 = 5,072.96/x
  3. Step 3: Cross multiply
    9,288.38x = 13,936.81 × 5,072.96
  4. Step 4: Simplify right side
    9,288.38x = 70,700,879.66
  5. Step 5: Solve for x
    x = 70,700,879.66/9,288.38
  6. Step 6: Final answer
    x = 7,611.76

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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.