Home / 5,821.82-8,729.43-3,975.18

Finding the Fourth Proportional to 5,821.82, 8,729.43 and 3,975.18

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Solution

The fourth proportional to 5,821.82, 8,729.43 and 3,975.18 is: 5,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.82 : 8,729.43 = 3,975.18 : x
  2. Step 2: Convert to fraction form
    5,821.82/8,729.43 = 3,975.18/x
  3. Step 3: Cross multiply
    5,821.82x = 8,729.43 × 3,975.18
  4. Step 4: Simplify right side
    5,821.82x = 34,701,055.55
  5. Step 5: Solve for x
    x = 34,701,055.55/5,821.82
  6. Step 6: Final answer
    x = 5,960.52

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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.