Home / 4,881.26-7,321.89-1,959.56

Finding the Fourth Proportional to 4,881.26, 7,321.89 and 1,959.56

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Solution

The fourth proportional to 4,881.26, 7,321.89 and 1,959.56 is: 2,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.26 : 7,321.89 = 1,959.56 : x
  2. Step 2: Convert to fraction form
    4,881.26/7,321.89 = 1,959.56/x
  3. Step 3: Cross multiply
    4,881.26x = 7,321.89 × 1,959.56
  4. Step 4: Simplify right side
    4,881.26x = 14,347,693.72
  5. Step 5: Solve for x
    x = 14,347,693.72/4,881.26
  6. Step 6: Final answer
    x = 2,939.34

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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.