Home / 5,414.51-8,116.18-2,081.85

Finding the Fourth Proportional to 5,414.51, 8,116.18 and 2,081.85

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Solution

The fourth proportional to 5,414.51, 8,116.18 and 2,081.85 is: 3,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.51 : 8,116.18 = 2,081.85 : x
  2. Step 2: Convert to fraction form
    5,414.51/8,116.18 = 2,081.85/x
  3. Step 3: Cross multiply
    5,414.51x = 8,116.18 × 2,081.85
  4. Step 4: Simplify right side
    5,414.51x = 16,896,664.13
  5. Step 5: Solve for x
    x = 16,896,664.13/5,414.51
  6. Step 6: Final answer
    x = 3,120.63

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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.