Home / 8,231.32-11,358.66-4,694.68

Finding the Fourth Proportional to 8,231.32, 11,358.66 and 4,694.68

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Solution

The fourth proportional to 8,231.32, 11,358.66 and 4,694.68 is: 6,478.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.32 : 11,358.66 = 4,694.68 : x
  2. Step 2: Convert to fraction form
    8,231.32/11,358.66 = 4,694.68/x
  3. Step 3: Cross multiply
    8,231.32x = 11,358.66 × 4,694.68
  4. Step 4: Simplify right side
    8,231.32x = 53,325,273.93
  5. Step 5: Solve for x
    x = 53,325,273.93/8,231.32
  6. Step 6: Final answer
    x = 6,478.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.