Home / 7,650.75-11,478.03-2,456.64

Finding the Fourth Proportional to 7,650.75, 11,478.03 and 2,456.64

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Solution

The fourth proportional to 7,650.75, 11,478.03 and 2,456.64 is: 3,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,650.75 : 11,478.03 = 2,456.64 : x
  2. Step 2: Convert to fraction form
    7,650.75/11,478.03 = 2,456.64/x
  3. Step 3: Cross multiply
    7,650.75x = 11,478.03 × 2,456.64
  4. Step 4: Simplify right side
    7,650.75x = 28,197,387.62
  5. Step 5: Solve for x
    x = 28,197,387.62/7,650.75
  6. Step 6: Final answer
    x = 3,685.57

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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.