Home / 5,390.08-8,083.64-3,825.44

Finding the Fourth Proportional to 5,390.08, 8,083.64 and 3,825.44

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Solution

The fourth proportional to 5,390.08, 8,083.64 and 3,825.44 is: 5,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.08 : 8,083.64 = 3,825.44 : x
  2. Step 2: Convert to fraction form
    5,390.08/8,083.64 = 3,825.44/x
  3. Step 3: Cross multiply
    5,390.08x = 8,083.64 × 3,825.44
  4. Step 4: Simplify right side
    5,390.08x = 30,923,479.80
  5. Step 5: Solve for x
    x = 30,923,479.80/5,390.08
  6. Step 6: Final answer
    x = 5,737.11

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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.