Home / 4,086.92-6,121.44-3,160.04

Finding the Fourth Proportional to 4,086.92, 6,121.44 and 3,160.04

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Solution

The fourth proportional to 4,086.92, 6,121.44 and 3,160.04 is: 4,733.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.92 : 6,121.44 = 3,160.04 : x
  2. Step 2: Convert to fraction form
    4,086.92/6,121.44 = 3,160.04/x
  3. Step 3: Cross multiply
    4,086.92x = 6,121.44 × 3,160.04
  4. Step 4: Simplify right side
    4,086.92x = 19,343,995.26
  5. Step 5: Solve for x
    x = 19,343,995.26/4,086.92
  6. Step 6: Final answer
    x = 4,733.15

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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.