Home / 6,520.23-8,997.89-3,536.09

Finding the Fourth Proportional to 6,520.23, 8,997.89 and 3,536.09

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Solution

The fourth proportional to 6,520.23, 8,997.89 and 3,536.09 is: 4,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.23 : 8,997.89 = 3,536.09 : x
  2. Step 2: Convert to fraction form
    6,520.23/8,997.89 = 3,536.09/x
  3. Step 3: Cross multiply
    6,520.23x = 8,997.89 × 3,536.09
  4. Step 4: Simplify right side
    6,520.23x = 31,817,286.18
  5. Step 5: Solve for x
    x = 31,817,286.18/6,520.23
  6. Step 6: Final answer
    x = 4,879.78

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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.