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Finding the Fourth Proportional to 6,540.32, 8,904.89 and 6,519.56

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Solution

The fourth proportional to 6,540.32, 8,904.89 and 6,519.56 is: 8,876.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.32 : 8,904.89 = 6,519.56 : x
  2. Step 2: Convert to fraction form
    6,540.32/8,904.89 = 6,519.56/x
  3. Step 3: Cross multiply
    6,540.32x = 8,904.89 × 6,519.56
  4. Step 4: Simplify right side
    6,540.32x = 58,055,899.75
  5. Step 5: Solve for x
    x = 58,055,899.75/6,540.32
  6. Step 6: Final answer
    x = 8,876.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.