Home / 7,239.68-10,851.16-3,335.88

Finding the Fourth Proportional to 7,239.68, 10,851.16 and 3,335.88

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Solution

The fourth proportional to 7,239.68, 10,851.16 and 3,335.88 is: 4,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.68 : 10,851.16 = 3,335.88 : x
  2. Step 2: Convert to fraction form
    7,239.68/10,851.16 = 3,335.88/x
  3. Step 3: Cross multiply
    7,239.68x = 10,851.16 × 3,335.88
  4. Step 4: Simplify right side
    7,239.68x = 36,198,167.62
  5. Step 5: Solve for x
    x = 36,198,167.62/7,239.68
  6. Step 6: Final answer
    x = 4,999.97

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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.