Home / 7,622.53-11,433.83-2,689.48

Finding the Fourth Proportional to 7,622.53, 11,433.83 and 2,689.48

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Solution

The fourth proportional to 7,622.53, 11,433.83 and 2,689.48 is: 4,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.53 : 11,433.83 = 2,689.48 : x
  2. Step 2: Convert to fraction form
    7,622.53/11,433.83 = 2,689.48/x
  3. Step 3: Cross multiply
    7,622.53x = 11,433.83 × 2,689.48
  4. Step 4: Simplify right side
    7,622.53x = 30,751,057.11
  5. Step 5: Solve for x
    x = 30,751,057.11/7,622.53
  6. Step 6: Final answer
    x = 4,034.23

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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.