Home / 8,270.82-12,391.79-6,893.01

Finding the Fourth Proportional to 8,270.82, 12,391.79 and 6,893.01

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Solution

The fourth proportional to 8,270.82, 12,391.79 and 6,893.01 is: 10,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.82 : 12,391.79 = 6,893.01 : x
  2. Step 2: Convert to fraction form
    8,270.82/12,391.79 = 6,893.01/x
  3. Step 3: Cross multiply
    8,270.82x = 12,391.79 × 6,893.01
  4. Step 4: Simplify right side
    8,270.82x = 85,416,697.92
  5. Step 5: Solve for x
    x = 85,416,697.92/8,270.82
  6. Step 6: Final answer
    x = 10,327.48

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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.