Home / 7,455.29-11,178.61-3,067.79

Finding the Fourth Proportional to 7,455.29, 11,178.61 and 3,067.79

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Solution

The fourth proportional to 7,455.29, 11,178.61 and 3,067.79 is: 4,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.29 : 11,178.61 = 3,067.79 : x
  2. Step 2: Convert to fraction form
    7,455.29/11,178.61 = 3,067.79/x
  3. Step 3: Cross multiply
    7,455.29x = 11,178.61 × 3,067.79
  4. Step 4: Simplify right side
    7,455.29x = 34,293,564.41
  5. Step 5: Solve for x
    x = 34,293,564.41/7,455.29
  6. Step 6: Final answer
    x = 4,599.90

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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.