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Finding the Fourth Proportional to 8,644.84, 11,932.26 and 5,108.20

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Solution

The fourth proportional to 8,644.84, 11,932.26 and 5,108.20 is: 7,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.84 : 11,932.26 = 5,108.20 : x
  2. Step 2: Convert to fraction form
    8,644.84/11,932.26 = 5,108.20/x
  3. Step 3: Cross multiply
    8,644.84x = 11,932.26 × 5,108.20
  4. Step 4: Simplify right side
    8,644.84x = 60,952,370.53
  5. Step 5: Solve for x
    x = 60,952,370.53/8,644.84
  6. Step 6: Final answer
    x = 7,050.72

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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.