Home / 5,497.80-8,244.36-2,120.04

Finding the Fourth Proportional to 5,497.80, 8,244.36 and 2,120.04

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Solution

The fourth proportional to 5,497.80, 8,244.36 and 2,120.04 is: 3,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.80 : 8,244.36 = 2,120.04 : x
  2. Step 2: Convert to fraction form
    5,497.80/8,244.36 = 2,120.04/x
  3. Step 3: Cross multiply
    5,497.80x = 8,244.36 × 2,120.04
  4. Step 4: Simplify right side
    5,497.80x = 17,478,372.97
  5. Step 5: Solve for x
    x = 17,478,372.97/5,497.80
  6. Step 6: Final answer
    x = 3,179.16

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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.