Home / 6,150.56-9,227.31-1,990.57

Finding the Fourth Proportional to 6,150.56, 9,227.31 and 1,990.57

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Solution

The fourth proportional to 6,150.56, 9,227.31 and 1,990.57 is: 2,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.56 : 9,227.31 = 1,990.57 : x
  2. Step 2: Convert to fraction form
    6,150.56/9,227.31 = 1,990.57/x
  3. Step 3: Cross multiply
    6,150.56x = 9,227.31 × 1,990.57
  4. Step 4: Simplify right side
    6,150.56x = 18,367,602.11
  5. Step 5: Solve for x
    x = 18,367,602.11/6,150.56
  6. Step 6: Final answer
    x = 2,986.33

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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.