Home / 9,109.92-13,664.64-2,536.56

Finding the Fourth Proportional to 9,109.92, 13,664.64 and 2,536.56

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Solution

The fourth proportional to 9,109.92, 13,664.64 and 2,536.56 is: 3,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.92 : 13,664.64 = 2,536.56 : x
  2. Step 2: Convert to fraction form
    9,109.92/13,664.64 = 2,536.56/x
  3. Step 3: Cross multiply
    9,109.92x = 13,664.64 × 2,536.56
  4. Step 4: Simplify right side
    9,109.92x = 34,661,179.24
  5. Step 5: Solve for x
    x = 34,661,179.24/9,109.92
  6. Step 6: Final answer
    x = 3,804.77

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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.