Home / 6,619.38-9,933.19-4,125.46

Finding the Fourth Proportional to 6,619.38, 9,933.19 and 4,125.46

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Solution

The fourth proportional to 6,619.38, 9,933.19 and 4,125.46 is: 6,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.38 : 9,933.19 = 4,125.46 : x
  2. Step 2: Convert to fraction form
    6,619.38/9,933.19 = 4,125.46/x
  3. Step 3: Cross multiply
    6,619.38x = 9,933.19 × 4,125.46
  4. Step 4: Simplify right side
    6,619.38x = 40,978,978.02
  5. Step 5: Solve for x
    x = 40,978,978.02/6,619.38
  6. Step 6: Final answer
    x = 6,190.76

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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.