Home / 7,677.37-11,513.91-3,293.78

Finding the Fourth Proportional to 7,677.37, 11,513.91 and 3,293.78

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Solution

The fourth proportional to 7,677.37, 11,513.91 and 3,293.78 is: 4,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.37 : 11,513.91 = 3,293.78 : x
  2. Step 2: Convert to fraction form
    7,677.37/11,513.91 = 3,293.78/x
  3. Step 3: Cross multiply
    7,677.37x = 11,513.91 × 3,293.78
  4. Step 4: Simplify right side
    7,677.37x = 37,924,286.48
  5. Step 5: Solve for x
    x = 37,924,286.48/7,677.37
  6. Step 6: Final answer
    x = 4,939.75

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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.