Home / 7,677.75-11,518.25-2,487.27

Finding the Fourth Proportional to 7,677.75, 11,518.25 and 2,487.27

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Solution

The fourth proportional to 7,677.75, 11,518.25 and 2,487.27 is: 3,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.75 : 11,518.25 = 2,487.27 : x
  2. Step 2: Convert to fraction form
    7,677.75/11,518.25 = 2,487.27/x
  3. Step 3: Cross multiply
    7,677.75x = 11,518.25 × 2,487.27
  4. Step 4: Simplify right side
    7,677.75x = 28,649,042.43
  5. Step 5: Solve for x
    x = 28,649,042.43/7,677.75
  6. Step 6: Final answer
    x = 3,731.44

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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.