Home / 4,212.06-5,813.58-2,814

Finding the Fourth Proportional to 4,212.06, 5,813.58 and 2,814

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Solution

The fourth proportional to 4,212.06, 5,813.58 and 2,814 is: 3,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.06 : 5,813.58 = 2,814 : x
  2. Step 2: Convert to fraction form
    4,212.06/5,813.58 = 2,814/x
  3. Step 3: Cross multiply
    4,212.06x = 5,813.58 × 2,814
  4. Step 4: Simplify right side
    4,212.06x = 16,359,414.12
  5. Step 5: Solve for x
    x = 16,359,414.12/4,212.06
  6. Step 6: Final answer
    x = 3,883.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.