Home / 4,914.14-6,781.68-2,675.90

Finding the Fourth Proportional to 4,914.14, 6,781.68 and 2,675.90

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Solution

The fourth proportional to 4,914.14, 6,781.68 and 2,675.90 is: 3,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.14 : 6,781.68 = 2,675.90 : x
  2. Step 2: Convert to fraction form
    4,914.14/6,781.68 = 2,675.90/x
  3. Step 3: Cross multiply
    4,914.14x = 6,781.68 × 2,675.90
  4. Step 4: Simplify right side
    4,914.14x = 18,147,114.47
  5. Step 5: Solve for x
    x = 18,147,114.47/4,914.14
  6. Step 6: Final answer
    x = 3,692.84

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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.