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Finding the Fourth Proportional to 6,769.32, 10,157.10 and 6,480.48

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Solution

The fourth proportional to 6,769.32, 10,157.10 and 6,480.48 is: 9,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769.32 : 10,157.10 = 6,480.48 : x
  2. Step 2: Convert to fraction form
    6,769.32/10,157.10 = 6,480.48/x
  3. Step 3: Cross multiply
    6,769.32x = 10,157.10 × 6,480.48
  4. Step 4: Simplify right side
    6,769.32x = 65,822,883.41
  5. Step 5: Solve for x
    x = 65,822,883.41/6,769.32
  6. Step 6: Final answer
    x = 9,723.71

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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.