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Finding the Fourth Proportional to 6,679.94, 10,027.06 and 3,392.15

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Solution

The fourth proportional to 6,679.94, 10,027.06 and 3,392.15 is: 5,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.94 : 10,027.06 = 3,392.15 : x
  2. Step 2: Convert to fraction form
    6,679.94/10,027.06 = 3,392.15/x
  3. Step 3: Cross multiply
    6,679.94x = 10,027.06 × 3,392.15
  4. Step 4: Simplify right side
    6,679.94x = 34,013,232.96
  5. Step 5: Solve for x
    x = 34,013,232.96/6,679.94
  6. Step 6: Final answer
    x = 5,091.85

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1.5x scale

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.