Home / 5,414.49-8,116.88-1,949.31

Finding the Fourth Proportional to 5,414.49, 8,116.88 and 1,949.31

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Solution

The fourth proportional to 5,414.49, 8,116.88 and 1,949.31 is: 2,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.49 : 8,116.88 = 1,949.31 : x
  2. Step 2: Convert to fraction form
    5,414.49/8,116.88 = 1,949.31/x
  3. Step 3: Cross multiply
    5,414.49x = 8,116.88 × 1,949.31
  4. Step 4: Simplify right side
    5,414.49x = 15,822,330.77
  5. Step 5: Solve for x
    x = 15,822,330.77/5,414.49
  6. Step 6: Final answer
    x = 2,922.22

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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.