Home / 6,157.80-9,236.82-1,997.81

Finding the Fourth Proportional to 6,157.80, 9,236.82 and 1,997.81

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Solution

The fourth proportional to 6,157.80, 9,236.82 and 1,997.81 is: 2,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.80 : 9,236.82 = 1,997.81 : x
  2. Step 2: Convert to fraction form
    6,157.80/9,236.82 = 1,997.81/x
  3. Step 3: Cross multiply
    6,157.80x = 9,236.82 × 1,997.81
  4. Step 4: Simplify right side
    6,157.80x = 18,453,365.18
  5. Step 5: Solve for x
    x = 18,453,365.18/6,157.80
  6. Step 6: Final answer
    x = 2,996.75

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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.