Home / 7,836.82-11,757.93-4,911.64

Finding the Fourth Proportional to 7,836.82, 11,757.93 and 4,911.64

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Solution

The fourth proportional to 7,836.82, 11,757.93 and 4,911.64 is: 7,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,836.82 : 11,757.93 = 4,911.64 : x
  2. Step 2: Convert to fraction form
    7,836.82/11,757.93 = 4,911.64/x
  3. Step 3: Cross multiply
    7,836.82x = 11,757.93 × 4,911.64
  4. Step 4: Simplify right side
    7,836.82x = 57,750,719.31
  5. Step 5: Solve for x
    x = 57,750,719.31/7,836.82
  6. Step 6: Final answer
    x = 7,369.15

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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.