Home / 10,640.48-15,963.31-3,245.07

Finding the Fourth Proportional to 10,640.48, 15,963.31 and 3,245.07

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Solution

The fourth proportional to 10,640.48, 15,963.31 and 3,245.07 is: 4,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.48 : 15,963.31 = 3,245.07 : x
  2. Step 2: Convert to fraction form
    10,640.48/15,963.31 = 3,245.07/x
  3. Step 3: Cross multiply
    10,640.48x = 15,963.31 × 3,245.07
  4. Step 4: Simplify right side
    10,640.48x = 51,802,042.16
  5. Step 5: Solve for x
    x = 51,802,042.16/10,640.48
  6. Step 6: Final answer
    x = 4,868.39

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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.