Home / 7,731.76-11,584.20-4,028.32

Finding the Fourth Proportional to 7,731.76, 11,584.20 and 4,028.32

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Solution

The fourth proportional to 7,731.76, 11,584.20 and 4,028.32 is: 6,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.76 : 11,584.20 = 4,028.32 : x
  2. Step 2: Convert to fraction form
    7,731.76/11,584.20 = 4,028.32/x
  3. Step 3: Cross multiply
    7,731.76x = 11,584.20 × 4,028.32
  4. Step 4: Simplify right side
    7,731.76x = 46,664,864.54
  5. Step 5: Solve for x
    x = 46,664,864.54/7,731.76
  6. Step 6: Final answer
    x = 6,035.48

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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.