Home / 4,862-6,709.86-2,766.12

Finding the Fourth Proportional to 4,862, 6,709.86 and 2,766.12

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Solution

The fourth proportional to 4,862, 6,709.86 and 2,766.12 is: 3,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862 : 6,709.86 = 2,766.12 : x
  2. Step 2: Convert to fraction form
    4,862/6,709.86 = 2,766.12/x
  3. Step 3: Cross multiply
    4,862x = 6,709.86 × 2,766.12
  4. Step 4: Simplify right side
    4,862x = 18,560,277.94
  5. Step 5: Solve for x
    x = 18,560,277.94/4,862
  6. Step 6: Final answer
    x = 3,817.42

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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.