Home / 5,414.35-8,118.18-2,125.95

Finding the Fourth Proportional to 5,414.35, 8,118.18 and 2,125.95

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Solution

The fourth proportional to 5,414.35, 8,118.18 and 2,125.95 is: 3,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.35 : 8,118.18 = 2,125.95 : x
  2. Step 2: Convert to fraction form
    5,414.35/8,118.18 = 2,125.95/x
  3. Step 3: Cross multiply
    5,414.35x = 8,118.18 × 2,125.95
  4. Step 4: Simplify right side
    5,414.35x = 17,258,844.77
  5. Step 5: Solve for x
    x = 17,258,844.77/5,414.35
  6. Step 6: Final answer
    x = 3,187.61

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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.