Home / 8,382.06-12,565.80-3,993.48

Finding the Fourth Proportional to 8,382.06, 12,565.80 and 3,993.48

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Solution

The fourth proportional to 8,382.06, 12,565.80 and 3,993.48 is: 5,986.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.06 : 12,565.80 = 3,993.48 : x
  2. Step 2: Convert to fraction form
    8,382.06/12,565.80 = 3,993.48/x
  3. Step 3: Cross multiply
    8,382.06x = 12,565.80 × 3,993.48
  4. Step 4: Simplify right side
    8,382.06x = 50,181,270.98
  5. Step 5: Solve for x
    x = 50,181,270.98/8,382.06
  6. Step 6: Final answer
    x = 5,986.75

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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.