Home / 7,218.18-10,818.99-3,272.43

Finding the Fourth Proportional to 7,218.18, 10,818.99 and 3,272.43

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Solution

The fourth proportional to 7,218.18, 10,818.99 and 3,272.43 is: 4,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.18 : 10,818.99 = 3,272.43 : x
  2. Step 2: Convert to fraction form
    7,218.18/10,818.99 = 3,272.43/x
  3. Step 3: Cross multiply
    7,218.18x = 10,818.99 × 3,272.43
  4. Step 4: Simplify right side
    7,218.18x = 35,404,387.45
  5. Step 5: Solve for x
    x = 35,404,387.45/7,218.18
  6. Step 6: Final answer
    x = 4,904.89

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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.