Home / 6,293.58-8,689.20-3,906.09

Finding the Fourth Proportional to 6,293.58, 8,689.20 and 3,906.09

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Solution

The fourth proportional to 6,293.58, 8,689.20 and 3,906.09 is: 5,392.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.58 : 8,689.20 = 3,906.09 : x
  2. Step 2: Convert to fraction form
    6,293.58/8,689.20 = 3,906.09/x
  3. Step 3: Cross multiply
    6,293.58x = 8,689.20 × 3,906.09
  4. Step 4: Simplify right side
    6,293.58x = 33,940,797.23
  5. Step 5: Solve for x
    x = 33,940,797.23/6,293.58
  6. Step 6: Final answer
    x = 5,392.92

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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.