Home / 7,643.91-11,467.49-2,453.43

Finding the Fourth Proportional to 7,643.91, 11,467.49 and 2,453.43

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Solution

The fourth proportional to 7,643.91, 11,467.49 and 2,453.43 is: 3,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.91 : 11,467.49 = 2,453.43 : x
  2. Step 2: Convert to fraction form
    7,643.91/11,467.49 = 2,453.43/x
  3. Step 3: Cross multiply
    7,643.91x = 11,467.49 × 2,453.43
  4. Step 4: Simplify right side
    7,643.91x = 28,134,671.72
  5. Step 5: Solve for x
    x = 28,134,671.72/7,643.91
  6. Step 6: Final answer
    x = 3,680.66

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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.