Home / 4,744.89-7,121.64-2,406.53

Finding the Fourth Proportional to 4,744.89, 7,121.64 and 2,406.53

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Solution

The fourth proportional to 4,744.89, 7,121.64 and 2,406.53 is: 3,611.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,744.89 : 7,121.64 = 2,406.53 : x
  2. Step 2: Convert to fraction form
    4,744.89/7,121.64 = 2,406.53/x
  3. Step 3: Cross multiply
    4,744.89x = 7,121.64 × 2,406.53
  4. Step 4: Simplify right side
    4,744.89x = 17,138,404.70
  5. Step 5: Solve for x
    x = 17,138,404.70/4,744.89
  6. Step 6: Final answer
    x = 3,611.97

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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.