Home / 4,942.50-6,820.65-2,734.50

Finding the Fourth Proportional to 4,942.50, 6,820.65 and 2,734.50

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Solution

The fourth proportional to 4,942.50, 6,820.65 and 2,734.50 is: 3,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.50 : 6,820.65 = 2,734.50 : x
  2. Step 2: Convert to fraction form
    4,942.50/6,820.65 = 2,734.50/x
  3. Step 3: Cross multiply
    4,942.50x = 6,820.65 × 2,734.50
  4. Step 4: Simplify right side
    4,942.50x = 18,651,067.43
  5. Step 5: Solve for x
    x = 18,651,067.43/4,942.50
  6. Step 6: Final answer
    x = 3,773.61

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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.