Home / 9,178.92-13,760.28-3,629.34

Finding the Fourth Proportional to 9,178.92, 13,760.28 and 3,629.34

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Solution

The fourth proportional to 9,178.92, 13,760.28 and 3,629.34 is: 5,440.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.92 : 13,760.28 = 3,629.34 : x
  2. Step 2: Convert to fraction form
    9,178.92/13,760.28 = 3,629.34/x
  3. Step 3: Cross multiply
    9,178.92x = 13,760.28 × 3,629.34
  4. Step 4: Simplify right side
    9,178.92x = 49,940,734.62
  5. Step 5: Solve for x
    x = 49,940,734.62/9,178.92
  6. Step 6: Final answer
    x = 5,440.81

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1.5x scale

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.