Home / 7,823.92-11,738.32-2,630.02

Finding the Fourth Proportional to 7,823.92, 11,738.32 and 2,630.02

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Solution

The fourth proportional to 7,823.92, 11,738.32 and 2,630.02 is: 3,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.92 : 11,738.32 = 2,630.02 : x
  2. Step 2: Convert to fraction form
    7,823.92/11,738.32 = 2,630.02/x
  3. Step 3: Cross multiply
    7,823.92x = 11,738.32 × 2,630.02
  4. Step 4: Simplify right side
    7,823.92x = 30,872,016.37
  5. Step 5: Solve for x
    x = 30,872,016.37/7,823.92
  6. Step 6: Final answer
    x = 3,945.85

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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.