Home / 5,129.04-7,694.76-2,207.64

Finding the Fourth Proportional to 5,129.04, 7,694.76 and 2,207.64

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Solution

The fourth proportional to 5,129.04, 7,694.76 and 2,207.64 is: 3,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.04 : 7,694.76 = 2,207.64 : x
  2. Step 2: Convert to fraction form
    5,129.04/7,694.76 = 2,207.64/x
  3. Step 3: Cross multiply
    5,129.04x = 7,694.76 × 2,207.64
  4. Step 4: Simplify right side
    5,129.04x = 16,987,259.97
  5. Step 5: Solve for x
    x = 16,987,259.97/5,129.04
  6. Step 6: Final answer
    x = 3,311.98

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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.