Home / 7,976.21-11,964.32-3,588.54

Finding the Fourth Proportional to 7,976.21, 11,964.32 and 3,588.54

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Solution

The fourth proportional to 7,976.21, 11,964.32 and 3,588.54 is: 5,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.21 : 11,964.32 = 3,588.54 : x
  2. Step 2: Convert to fraction form
    7,976.21/11,964.32 = 3,588.54/x
  3. Step 3: Cross multiply
    7,976.21x = 11,964.32 × 3,588.54
  4. Step 4: Simplify right side
    7,976.21x = 42,934,440.89
  5. Step 5: Solve for x
    x = 42,934,440.89/7,976.21
  6. Step 6: Final answer
    x = 5,382.81

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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.