Home / 6,859.38-10,289.07-2,758.26

Finding the Fourth Proportional to 6,859.38, 10,289.07 and 2,758.26

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Solution

The fourth proportional to 6,859.38, 10,289.07 and 2,758.26 is: 4,137.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.38 : 10,289.07 = 2,758.26 : x
  2. Step 2: Convert to fraction form
    6,859.38/10,289.07 = 2,758.26/x
  3. Step 3: Cross multiply
    6,859.38x = 10,289.07 × 2,758.26
  4. Step 4: Simplify right side
    6,859.38x = 28,379,930.22
  5. Step 5: Solve for x
    x = 28,379,930.22/6,859.38
  6. Step 6: Final answer
    x = 4,137.39

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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.