Home / 5,022.66-7,531.23-3,989.28

Finding the Fourth Proportional to 5,022.66, 7,531.23 and 3,989.28

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Solution

The fourth proportional to 5,022.66, 7,531.23 and 3,989.28 is: 5,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,022.66 : 7,531.23 = 3,989.28 : x
  2. Step 2: Convert to fraction form
    5,022.66/7,531.23 = 3,989.28/x
  3. Step 3: Cross multiply
    5,022.66x = 7,531.23 × 3,989.28
  4. Step 4: Simplify right side
    5,022.66x = 30,044,185.21
  5. Step 5: Solve for x
    x = 30,044,185.21/5,022.66
  6. Step 6: Final answer
    x = 5,981.73

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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.