Home / 9,102.25-13,653.43-3,179.11

Finding the Fourth Proportional to 9,102.25, 13,653.43 and 3,179.11

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Solution

The fourth proportional to 9,102.25, 13,653.43 and 3,179.11 is: 4,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.25 : 13,653.43 = 3,179.11 : x
  2. Step 2: Convert to fraction form
    9,102.25/13,653.43 = 3,179.11/x
  3. Step 3: Cross multiply
    9,102.25x = 13,653.43 × 3,179.11
  4. Step 4: Simplify right side
    9,102.25x = 43,405,713.77
  5. Step 5: Solve for x
    x = 43,405,713.77/9,102.25
  6. Step 6: Final answer
    x = 4,768.68

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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.