Home / 4,185.16-6,278.34-1,993.43

Finding the Fourth Proportional to 4,185.16, 6,278.34 and 1,993.43

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Solution

The fourth proportional to 4,185.16, 6,278.34 and 1,993.43 is: 2,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.16 : 6,278.34 = 1,993.43 : x
  2. Step 2: Convert to fraction form
    4,185.16/6,278.34 = 1,993.43/x
  3. Step 3: Cross multiply
    4,185.16x = 6,278.34 × 1,993.43
  4. Step 4: Simplify right side
    4,185.16x = 12,515,431.31
  5. Step 5: Solve for x
    x = 12,515,431.31/4,185.16
  6. Step 6: Final answer
    x = 2,990.43

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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.