Home / 7,747.76-11,623.44-2,553.68

Finding the Fourth Proportional to 7,747.76, 11,623.44 and 2,553.68

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Solution

The fourth proportional to 7,747.76, 11,623.44 and 2,553.68 is: 3,831.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.76 : 11,623.44 = 2,553.68 : x
  2. Step 2: Convert to fraction form
    7,747.76/11,623.44 = 2,553.68/x
  3. Step 3: Cross multiply
    7,747.76x = 11,623.44 × 2,553.68
  4. Step 4: Simplify right side
    7,747.76x = 29,682,546.26
  5. Step 5: Solve for x
    x = 29,682,546.26/7,747.76
  6. Step 6: Final answer
    x = 3,831.11

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1.5x scale

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.