Home / 9,761.07-14,644.32-3,921.78

Finding the Fourth Proportional to 9,761.07, 14,644.32 and 3,921.78

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Solution

The fourth proportional to 9,761.07, 14,644.32 and 3,921.78 is: 5,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.07 : 14,644.32 = 3,921.78 : x
  2. Step 2: Convert to fraction form
    9,761.07/14,644.32 = 3,921.78/x
  3. Step 3: Cross multiply
    9,761.07x = 14,644.32 × 3,921.78
  4. Step 4: Simplify right side
    9,761.07x = 57,431,801.29
  5. Step 5: Solve for x
    x = 57,431,801.29/9,761.07
  6. Step 6: Final answer
    x = 5,883.76

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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.