Home / 5,198.60-7,802.04-2,734.86

Finding the Fourth Proportional to 5,198.60, 7,802.04 and 2,734.86

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Solution

The fourth proportional to 5,198.60, 7,802.04 and 2,734.86 is: 4,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.60 : 7,802.04 = 2,734.86 : x
  2. Step 2: Convert to fraction form
    5,198.60/7,802.04 = 2,734.86/x
  3. Step 3: Cross multiply
    5,198.60x = 7,802.04 × 2,734.86
  4. Step 4: Simplify right side
    5,198.60x = 21,337,487.11
  5. Step 5: Solve for x
    x = 21,337,487.11/5,198.60
  6. Step 6: Final answer
    x = 4,104.47

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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.