Home / 7,964.75-11,948.64-3,805.09

Finding the Fourth Proportional to 7,964.75, 11,948.64 and 3,805.09

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Solution

The fourth proportional to 7,964.75, 11,948.64 and 3,805.09 is: 5,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.75 : 11,948.64 = 3,805.09 : x
  2. Step 2: Convert to fraction form
    7,964.75/11,948.64 = 3,805.09/x
  3. Step 3: Cross multiply
    7,964.75x = 11,948.64 × 3,805.09
  4. Step 4: Simplify right side
    7,964.75x = 45,465,650.58
  5. Step 5: Solve for x
    x = 45,465,650.58/7,964.75
  6. Step 6: Final answer
    x = 5,708.36

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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.