Home / 10,541.22-15,811.83-2,749.97

Finding the Fourth Proportional to 10,541.22, 15,811.83 and 2,749.97

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Solution

The fourth proportional to 10,541.22, 15,811.83 and 2,749.97 is: 4,124.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.22 : 15,811.83 = 2,749.97 : x
  2. Step 2: Convert to fraction form
    10,541.22/15,811.83 = 2,749.97/x
  3. Step 3: Cross multiply
    10,541.22x = 15,811.83 × 2,749.97
  4. Step 4: Simplify right side
    10,541.22x = 43,481,979.09
  5. Step 5: Solve for x
    x = 43,481,979.09/10,541.22
  6. Step 6: Final answer
    x = 4,124.95

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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.