Home / 4,940.88-7,399.98-3,157.26

Finding the Fourth Proportional to 4,940.88, 7,399.98 and 3,157.26

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Solution

The fourth proportional to 4,940.88, 7,399.98 and 3,157.26 is: 4,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.88 : 7,399.98 = 3,157.26 : x
  2. Step 2: Convert to fraction form
    4,940.88/7,399.98 = 3,157.26/x
  3. Step 3: Cross multiply
    4,940.88x = 7,399.98 × 3,157.26
  4. Step 4: Simplify right side
    4,940.88x = 23,363,660.85
  5. Step 5: Solve for x
    x = 23,363,660.85/4,940.88
  6. Step 6: Final answer
    x = 4,728.64

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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.