Home / 8,486.42-12,727.67-3,222.03

Finding the Fourth Proportional to 8,486.42, 12,727.67 and 3,222.03

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Solution

The fourth proportional to 8,486.42, 12,727.67 and 3,222.03 is: 4,832.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.42 : 12,727.67 = 3,222.03 : x
  2. Step 2: Convert to fraction form
    8,486.42/12,727.67 = 3,222.03/x
  3. Step 3: Cross multiply
    8,486.42x = 12,727.67 × 3,222.03
  4. Step 4: Simplify right side
    8,486.42x = 41,008,918.46
  5. Step 5: Solve for x
    x = 41,008,918.46/8,486.42
  6. Step 6: Final answer
    x = 4,832.30

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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.