Home / 5,855.44-8,083.85-3,871.75

Finding the Fourth Proportional to 5,855.44, 8,083.85 and 3,871.75

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Solution

The fourth proportional to 5,855.44, 8,083.85 and 3,871.75 is: 5,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.44 : 8,083.85 = 3,871.75 : x
  2. Step 2: Convert to fraction form
    5,855.44/8,083.85 = 3,871.75/x
  3. Step 3: Cross multiply
    5,855.44x = 8,083.85 × 3,871.75
  4. Step 4: Simplify right side
    5,855.44x = 31,298,646.24
  5. Step 5: Solve for x
    x = 31,298,646.24/5,855.44
  6. Step 6: Final answer
    x = 5,345.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.