Home / 7,947.44-11,921.44-2,104.08

Finding the Fourth Proportional to 7,947.44, 11,921.44 and 2,104.08

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Solution

The fourth proportional to 7,947.44, 11,921.44 and 2,104.08 is: 3,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.44 : 11,921.44 = 2,104.08 : x
  2. Step 2: Convert to fraction form
    7,947.44/11,921.44 = 2,104.08/x
  3. Step 3: Cross multiply
    7,947.44x = 11,921.44 × 2,104.08
  4. Step 4: Simplify right side
    7,947.44x = 25,083,663.48
  5. Step 5: Solve for x
    x = 25,083,663.48/7,947.44
  6. Step 6: Final answer
    x = 3,156.19

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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.