Home / 5,299.44-7,947.80-2,180.31

Finding the Fourth Proportional to 5,299.44, 7,947.80 and 2,180.31

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Solution

The fourth proportional to 5,299.44, 7,947.80 and 2,180.31 is: 3,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.44 : 7,947.80 = 2,180.31 : x
  2. Step 2: Convert to fraction form
    5,299.44/7,947.80 = 2,180.31/x
  3. Step 3: Cross multiply
    5,299.44x = 7,947.80 × 2,180.31
  4. Step 4: Simplify right side
    5,299.44x = 17,328,667.82
  5. Step 5: Solve for x
    x = 17,328,667.82/5,299.44
  6. Step 6: Final answer
    x = 3,269.91

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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.