Home / 8,682.28-11,997.44-6,320.32

Finding the Fourth Proportional to 8,682.28, 11,997.44 and 6,320.32

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Solution

The fourth proportional to 8,682.28, 11,997.44 and 6,320.32 is: 8,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.28 : 11,997.44 = 6,320.32 : x
  2. Step 2: Convert to fraction form
    8,682.28/11,997.44 = 6,320.32/x
  3. Step 3: Cross multiply
    8,682.28x = 11,997.44 × 6,320.32
  4. Step 4: Simplify right side
    8,682.28x = 75,827,659.98
  5. Step 5: Solve for x
    x = 75,827,659.98/8,682.28
  6. Step 6: Final answer
    x = 8,733.61

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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.