Home / 4,116.96-5,678.91-3,619.62

Finding the Fourth Proportional to 4,116.96, 5,678.91 and 3,619.62

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Solution

The fourth proportional to 4,116.96, 5,678.91 and 3,619.62 is: 4,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.96 : 5,678.91 = 3,619.62 : x
  2. Step 2: Convert to fraction form
    4,116.96/5,678.91 = 3,619.62/x
  3. Step 3: Cross multiply
    4,116.96x = 5,678.91 × 3,619.62
  4. Step 4: Simplify right side
    4,116.96x = 20,555,496.21
  5. Step 5: Solve for x
    x = 20,555,496.21/4,116.96
  6. Step 6: Final answer
    x = 4,992.88

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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.