Home / 6,788.88-10,183.31-1,858.90

Finding the Fourth Proportional to 6,788.88, 10,183.31 and 1,858.90

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Solution

The fourth proportional to 6,788.88, 10,183.31 and 1,858.90 is: 2,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.88 : 10,183.31 = 1,858.90 : x
  2. Step 2: Convert to fraction form
    6,788.88/10,183.31 = 1,858.90/x
  3. Step 3: Cross multiply
    6,788.88x = 10,183.31 × 1,858.90
  4. Step 4: Simplify right side
    6,788.88x = 18,929,745.66
  5. Step 5: Solve for x
    x = 18,929,745.66/6,788.88
  6. Step 6: Final answer
    x = 2,788.35

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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.