Home / 5,157.22-7,728.88-3,764.02

Finding the Fourth Proportional to 5,157.22, 7,728.88 and 3,764.02

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Solution

The fourth proportional to 5,157.22, 7,728.88 and 3,764.02 is: 5,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.22 : 7,728.88 = 3,764.02 : x
  2. Step 2: Convert to fraction form
    5,157.22/7,728.88 = 3,764.02/x
  3. Step 3: Cross multiply
    5,157.22x = 7,728.88 × 3,764.02
  4. Step 4: Simplify right side
    5,157.22x = 29,091,658.90
  5. Step 5: Solve for x
    x = 29,091,658.90/5,157.22
  6. Step 6: Final answer
    x = 5,640.96

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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.