Home / 9,272.82-13,906.34-3,115.38

Finding the Fourth Proportional to 9,272.82, 13,906.34 and 3,115.38

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Solution

The fourth proportional to 9,272.82, 13,906.34 and 3,115.38 is: 4,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.82 : 13,906.34 = 3,115.38 : x
  2. Step 2: Convert to fraction form
    9,272.82/13,906.34 = 3,115.38/x
  3. Step 3: Cross multiply
    9,272.82x = 13,906.34 × 3,115.38
  4. Step 4: Simplify right side
    9,272.82x = 43,323,533.51
  5. Step 5: Solve for x
    x = 43,323,533.51/9,272.82
  6. Step 6: Final answer
    x = 4,672.10

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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.