Home / 4,989.24-7,469.34-2,902.88

Finding the Fourth Proportional to 4,989.24, 7,469.34 and 2,902.88

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Solution

The fourth proportional to 4,989.24, 7,469.34 and 2,902.88 is: 4,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.24 : 7,469.34 = 2,902.88 : x
  2. Step 2: Convert to fraction form
    4,989.24/7,469.34 = 2,902.88/x
  3. Step 3: Cross multiply
    4,989.24x = 7,469.34 × 2,902.88
  4. Step 4: Simplify right side
    4,989.24x = 21,682,560.35
  5. Step 5: Solve for x
    x = 21,682,560.35/4,989.24
  6. Step 6: Final answer
    x = 4,345.86

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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.