Home / 5,414.10-8,120.88-3,462

Finding the Fourth Proportional to 5,414.10, 8,120.88 and 3,462

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Solution

The fourth proportional to 5,414.10, 8,120.88 and 3,462 is: 5,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.10 : 8,120.88 = 3,462 : x
  2. Step 2: Convert to fraction form
    5,414.10/8,120.88 = 3,462/x
  3. Step 3: Cross multiply
    5,414.10x = 8,120.88 × 3,462
  4. Step 4: Simplify right side
    5,414.10x = 28,114,486.56
  5. Step 5: Solve for x
    x = 28,114,486.56/5,414.10
  6. Step 6: Final answer
    x = 5,192.83

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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.