Home / 4,794.20-7,177.40-2,939.72

Finding the Fourth Proportional to 4,794.20, 7,177.40 and 2,939.72

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Solution

The fourth proportional to 4,794.20, 7,177.40 and 2,939.72 is: 4,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794.20 : 7,177.40 = 2,939.72 : x
  2. Step 2: Convert to fraction form
    4,794.20/7,177.40 = 2,939.72/x
  3. Step 3: Cross multiply
    4,794.20x = 7,177.40 × 2,939.72
  4. Step 4: Simplify right side
    4,794.20x = 21,099,546.33
  5. Step 5: Solve for x
    x = 21,099,546.33/4,794.20
  6. Step 6: Final answer
    x = 4,401.06

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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.