Home / 7,383.37-11,072.20-2,879.87

Finding the Fourth Proportional to 7,383.37, 11,072.20 and 2,879.87

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Solution

The fourth proportional to 7,383.37, 11,072.20 and 2,879.87 is: 4,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.37 : 11,072.20 = 2,879.87 : x
  2. Step 2: Convert to fraction form
    7,383.37/11,072.20 = 2,879.87/x
  3. Step 3: Cross multiply
    7,383.37x = 11,072.20 × 2,879.87
  4. Step 4: Simplify right side
    7,383.37x = 31,886,496.61
  5. Step 5: Solve for x
    x = 31,886,496.61/7,383.37
  6. Step 6: Final answer
    x = 4,318.69

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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.