Home / 5,456.28-8,185.64-1,993.52

Finding the Fourth Proportional to 5,456.28, 8,185.64 and 1,993.52

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Solution

The fourth proportional to 5,456.28, 8,185.64 and 1,993.52 is: 2,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.28 : 8,185.64 = 1,993.52 : x
  2. Step 2: Convert to fraction form
    5,456.28/8,185.64 = 1,993.52/x
  3. Step 3: Cross multiply
    5,456.28x = 8,185.64 × 1,993.52
  4. Step 4: Simplify right side
    5,456.28x = 16,318,237.05
  5. Step 5: Solve for x
    x = 16,318,237.05/5,456.28
  6. Step 6: Final answer
    x = 2,990.73

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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.