Home / 9,022-13,521.12-3,821.44

Finding the Fourth Proportional to 9,022, 13,521.12 and 3,821.44

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Solution

The fourth proportional to 9,022, 13,521.12 and 3,821.44 is: 5,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,022 : 13,521.12 = 3,821.44 : x
  2. Step 2: Convert to fraction form
    9,022/13,521.12 = 3,821.44/x
  3. Step 3: Cross multiply
    9,022x = 13,521.12 × 3,821.44
  4. Step 4: Simplify right side
    9,022x = 51,670,148.81
  5. Step 5: Solve for x
    x = 51,670,148.81/9,022
  6. Step 6: Final answer
    x = 5,727.13

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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.