Home / 4,974.37-7,449.26-3,119.87

Finding the Fourth Proportional to 4,974.37, 7,449.26 and 3,119.87

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Solution

The fourth proportional to 4,974.37, 7,449.26 and 3,119.87 is: 4,672.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.37 : 7,449.26 = 3,119.87 : x
  2. Step 2: Convert to fraction form
    4,974.37/7,449.26 = 3,119.87/x
  3. Step 3: Cross multiply
    4,974.37x = 7,449.26 × 3,119.87
  4. Step 4: Simplify right side
    4,974.37x = 23,240,722.80
  5. Step 5: Solve for x
    x = 23,240,722.80/4,974.37
  6. Step 6: Final answer
    x = 4,672.09

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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.