Home / 5,823.72-8,727.80-2,122.47

Finding the Fourth Proportional to 5,823.72, 8,727.80 and 2,122.47

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Solution

The fourth proportional to 5,823.72, 8,727.80 and 2,122.47 is: 3,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,823.72 : 8,727.80 = 2,122.47 : x
  2. Step 2: Convert to fraction form
    5,823.72/8,727.80 = 2,122.47/x
  3. Step 3: Cross multiply
    5,823.72x = 8,727.80 × 2,122.47
  4. Step 4: Simplify right side
    5,823.72x = 18,524,483.05
  5. Step 5: Solve for x
    x = 18,524,483.05/5,823.72
  6. Step 6: Final answer
    x = 3,180.87

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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.