Home / 8,214.03-12,330.29-3,287.15

Finding the Fourth Proportional to 8,214.03, 12,330.29 and 3,287.15

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Solution

The fourth proportional to 8,214.03, 12,330.29 and 3,287.15 is: 4,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.03 : 12,330.29 = 3,287.15 : x
  2. Step 2: Convert to fraction form
    8,214.03/12,330.29 = 3,287.15/x
  3. Step 3: Cross multiply
    8,214.03x = 12,330.29 × 3,287.15
  4. Step 4: Simplify right side
    8,214.03x = 40,531,434.69
  5. Step 5: Solve for x
    x = 40,531,434.69/8,214.03
  6. Step 6: Final answer
    x = 4,934.42

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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.