Home / 4,764.48-7,141.92-2,166.72

Finding the Fourth Proportional to 4,764.48, 7,141.92 and 2,166.72

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Solution

The fourth proportional to 4,764.48, 7,141.92 and 2,166.72 is: 3,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.48 : 7,141.92 = 2,166.72 : x
  2. Step 2: Convert to fraction form
    4,764.48/7,141.92 = 2,166.72/x
  3. Step 3: Cross multiply
    4,764.48x = 7,141.92 × 2,166.72
  4. Step 4: Simplify right side
    4,764.48x = 15,474,540.90
  5. Step 5: Solve for x
    x = 15,474,540.90/4,764.48
  6. Step 6: Final answer
    x = 3,247.90

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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.