Home / 4,722.90-7,086.60-3,163.65

Finding the Fourth Proportional to 4,722.90, 7,086.60 and 3,163.65

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Solution

The fourth proportional to 4,722.90, 7,086.60 and 3,163.65 is: 4,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.90 : 7,086.60 = 3,163.65 : x
  2. Step 2: Convert to fraction form
    4,722.90/7,086.60 = 3,163.65/x
  3. Step 3: Cross multiply
    4,722.90x = 7,086.60 × 3,163.65
  4. Step 4: Simplify right side
    4,722.90x = 22,419,522.09
  5. Step 5: Solve for x
    x = 22,419,522.09/4,722.90
  6. Step 6: Final answer
    x = 4,746.98

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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.