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Finding the Fourth Proportional to 8,502.19, 12,755.12 and 3,575.97

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Solution

The fourth proportional to 8,502.19, 12,755.12 and 3,575.97 is: 5,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.19 : 12,755.12 = 3,575.97 : x
  2. Step 2: Convert to fraction form
    8,502.19/12,755.12 = 3,575.97/x
  3. Step 3: Cross multiply
    8,502.19x = 12,755.12 × 3,575.97
  4. Step 4: Simplify right side
    8,502.19x = 45,611,908.59
  5. Step 5: Solve for x
    x = 45,611,908.59/8,502.19
  6. Step 6: Final answer
    x = 5,364.73

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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.