Home / 8,162.35-12,243.01-4,872.97

Finding the Fourth Proportional to 8,162.35, 12,243.01 and 4,872.97

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Solution

The fourth proportional to 8,162.35, 12,243.01 and 4,872.97 is: 7,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,162.35 : 12,243.01 = 4,872.97 : x
  2. Step 2: Convert to fraction form
    8,162.35/12,243.01 = 4,872.97/x
  3. Step 3: Cross multiply
    8,162.35x = 12,243.01 × 4,872.97
  4. Step 4: Simplify right side
    8,162.35x = 59,659,789.83
  5. Step 5: Solve for x
    x = 59,659,789.83/8,162.35
  6. Step 6: Final answer
    x = 7,309.14

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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.