Home / 9,279.82-13,921.53-3,436.48

Finding the Fourth Proportional to 9,279.82, 13,921.53 and 3,436.48

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Solution

The fourth proportional to 9,279.82, 13,921.53 and 3,436.48 is: 5,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.82 : 13,921.53 = 3,436.48 : x
  2. Step 2: Convert to fraction form
    9,279.82/13,921.53 = 3,436.48/x
  3. Step 3: Cross multiply
    9,279.82x = 13,921.53 × 3,436.48
  4. Step 4: Simplify right side
    9,279.82x = 47,841,059.41
  5. Step 5: Solve for x
    x = 47,841,059.41/9,279.82
  6. Step 6: Final answer
    x = 5,155.39

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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.