Home / 7,865.92-11,811.44-4,581.37

Finding the Fourth Proportional to 7,865.92, 11,811.44 and 4,581.37

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Solution

The fourth proportional to 7,865.92, 11,811.44 and 4,581.37 is: 6,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.92 : 11,811.44 = 4,581.37 : x
  2. Step 2: Convert to fraction form
    7,865.92/11,811.44 = 4,581.37/x
  3. Step 3: Cross multiply
    7,865.92x = 11,811.44 × 4,581.37
  4. Step 4: Simplify right side
    7,865.92x = 54,112,576.87
  5. Step 5: Solve for x
    x = 54,112,576.87/7,865.92
  6. Step 6: Final answer
    x = 6,879.37

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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.