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Finding the Fourth Proportional to 6,660.24, 9,971.86 and 4,322.96

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Solution

The fourth proportional to 6,660.24, 9,971.86 and 4,322.96 is: 6,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.24 : 9,971.86 = 4,322.96 : x
  2. Step 2: Convert to fraction form
    6,660.24/9,971.86 = 4,322.96/x
  3. Step 3: Cross multiply
    6,660.24x = 9,971.86 × 4,322.96
  4. Step 4: Simplify right side
    6,660.24x = 43,107,951.91
  5. Step 5: Solve for x
    x = 43,107,951.91/6,660.24
  6. Step 6: Final answer
    x = 6,472.43

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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.