Home / 7,680.69-11,517.93-3,000.03

Finding the Fourth Proportional to 7,680.69, 11,517.93 and 3,000.03

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Solution

The fourth proportional to 7,680.69, 11,517.93 and 3,000.03 is: 4,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.69 : 11,517.93 = 3,000.03 : x
  2. Step 2: Convert to fraction form
    7,680.69/11,517.93 = 3,000.03/x
  3. Step 3: Cross multiply
    7,680.69x = 11,517.93 × 3,000.03
  4. Step 4: Simplify right side
    7,680.69x = 34,554,135.54
  5. Step 5: Solve for x
    x = 34,554,135.54/7,680.69
  6. Step 6: Final answer
    x = 4,498.83

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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.