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Finding the Fourth Proportional to 8,162.52, 12,243.51 and 3,545.52

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Solution

The fourth proportional to 8,162.52, 12,243.51 and 3,545.52 is: 5,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.52 : 12,243.51 = 3,545.52 : x
  2. Step 2: Convert to fraction form
    8,162.52/12,243.51 = 3,545.52/x
  3. Step 3: Cross multiply
    8,162.52x = 12,243.51 × 3,545.52
  4. Step 4: Simplify right side
    8,162.52x = 43,409,609.58
  5. Step 5: Solve for x
    x = 43,409,609.58/8,162.52
  6. Step 6: Final answer
    x = 5,318.16

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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.