Home / 9,146.58-13,721.92-2,906.56

Finding the Fourth Proportional to 9,146.58, 13,721.92 and 2,906.56

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Solution

The fourth proportional to 9,146.58, 13,721.92 and 2,906.56 is: 4,360.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.58 : 13,721.92 = 2,906.56 : x
  2. Step 2: Convert to fraction form
    9,146.58/13,721.92 = 2,906.56/x
  3. Step 3: Cross multiply
    9,146.58x = 13,721.92 × 2,906.56
  4. Step 4: Simplify right side
    9,146.58x = 39,883,583.80
  5. Step 5: Solve for x
    x = 39,883,583.80/9,146.58
  6. Step 6: Final answer
    x = 4,360.49

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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.