Home / 5,480.28-8,214.48-2,192.04

Finding the Fourth Proportional to 5,480.28, 8,214.48 and 2,192.04

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Solution

The fourth proportional to 5,480.28, 8,214.48 and 2,192.04 is: 3,285.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.28 : 8,214.48 = 2,192.04 : x
  2. Step 2: Convert to fraction form
    5,480.28/8,214.48 = 2,192.04/x
  3. Step 3: Cross multiply
    5,480.28x = 8,214.48 × 2,192.04
  4. Step 4: Simplify right side
    5,480.28x = 18,006,468.74
  5. Step 5: Solve for x
    x = 18,006,468.74/5,480.28
  6. Step 6: Final answer
    x = 3,285.68

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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.