Home / 6,150.87-9,227.64-1,991.30

Finding the Fourth Proportional to 6,150.87, 9,227.64 and 1,991.30

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Solution

The fourth proportional to 6,150.87, 9,227.64 and 1,991.30 is: 2,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.87 : 9,227.64 = 1,991.30 : x
  2. Step 2: Convert to fraction form
    6,150.87/9,227.64 = 1,991.30/x
  3. Step 3: Cross multiply
    6,150.87x = 9,227.64 × 1,991.30
  4. Step 4: Simplify right side
    6,150.87x = 18,374,960.86
  5. Step 5: Solve for x
    x = 18,374,960.86/6,150.87
  6. Step 6: Final answer
    x = 2,987.38

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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.