Home / 6,512.00-8,984.45-3,992.85

Finding the Fourth Proportional to 6,512.00, 8,984.45 and 3,992.85

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Solution

The fourth proportional to 6,512.00, 8,984.45 and 3,992.85 is: 5,508.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.00 : 8,984.45 = 3,992.85 : x
  2. Step 2: Convert to fraction form
    6,512.00/8,984.45 = 3,992.85/x
  3. Step 3: Cross multiply
    6,512.00x = 8,984.45 × 3,992.85
  4. Step 4: Simplify right side
    6,512.00x = 35,873,571.16
  5. Step 5: Solve for x
    x = 35,873,571.16/6,512.00
  6. Step 6: Final answer
    x = 5,508.84

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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.