Home / 6,860.38-10,290.57-2,759.26

Finding the Fourth Proportional to 6,860.38, 10,290.57 and 2,759.26

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Solution

The fourth proportional to 6,860.38, 10,290.57 and 2,759.26 is: 4,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.38 : 10,290.57 = 2,759.26 : x
  2. Step 2: Convert to fraction form
    6,860.38/10,290.57 = 2,759.26/x
  3. Step 3: Cross multiply
    6,860.38x = 10,290.57 × 2,759.26
  4. Step 4: Simplify right side
    6,860.38x = 28,394,358.18
  5. Step 5: Solve for x
    x = 28,394,358.18/6,860.38
  6. Step 6: Final answer
    x = 4,138.89

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Similar ratio
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1.5x scale

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.