Home / 4,881.56-7,321.92-1,371.30

Finding the Fourth Proportional to 4,881.56, 7,321.92 and 1,371.30

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Solution

The fourth proportional to 4,881.56, 7,321.92 and 1,371.30 is: 2,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.56 : 7,321.92 = 1,371.30 : x
  2. Step 2: Convert to fraction form
    4,881.56/7,321.92 = 1,371.30/x
  3. Step 3: Cross multiply
    4,881.56x = 7,321.92 × 1,371.30
  4. Step 4: Simplify right side
    4,881.56x = 10,040,548.90
  5. Step 5: Solve for x
    x = 10,040,548.90/4,881.56
  6. Step 6: Final answer
    x = 2,056.83

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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.