Home / 5,149.36-7,724.04-2,225.87

Finding the Fourth Proportional to 5,149.36, 7,724.04 and 2,225.87

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Solution

The fourth proportional to 5,149.36, 7,724.04 and 2,225.87 is: 3,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.36 : 7,724.04 = 2,225.87 : x
  2. Step 2: Convert to fraction form
    5,149.36/7,724.04 = 2,225.87/x
  3. Step 3: Cross multiply
    5,149.36x = 7,724.04 × 2,225.87
  4. Step 4: Simplify right side
    5,149.36x = 17,192,708.91
  5. Step 5: Solve for x
    x = 17,192,708.91/5,149.36
  6. Step 6: Final answer
    x = 3,338.81

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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.