Home / 8,414.43-11,611.38-4,637.38

Finding the Fourth Proportional to 8,414.43, 11,611.38 and 4,637.38

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Solution

The fourth proportional to 8,414.43, 11,611.38 and 4,637.38 is: 6,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.43 : 11,611.38 = 4,637.38 : x
  2. Step 2: Convert to fraction form
    8,414.43/11,611.38 = 4,637.38/x
  3. Step 3: Cross multiply
    8,414.43x = 11,611.38 × 4,637.38
  4. Step 4: Simplify right side
    8,414.43x = 53,846,392.98
  5. Step 5: Solve for x
    x = 53,846,392.98/8,414.43
  6. Step 6: Final answer
    x = 6,399.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.