Home / 10,546.88-15,821.22-2,755.69

Finding the Fourth Proportional to 10,546.88, 15,821.22 and 2,755.69

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Solution

The fourth proportional to 10,546.88, 15,821.22 and 2,755.69 is: 4,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.88 : 15,821.22 = 2,755.69 : x
  2. Step 2: Convert to fraction form
    10,546.88/15,821.22 = 2,755.69/x
  3. Step 3: Cross multiply
    10,546.88x = 15,821.22 × 2,755.69
  4. Step 4: Simplify right side
    10,546.88x = 43,598,348.52
  5. Step 5: Solve for x
    x = 43,598,348.52/10,546.88
  6. Step 6: Final answer
    x = 4,133.77

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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.