Home / 7,619.84-11,424.39-2,935.91

Finding the Fourth Proportional to 7,619.84, 11,424.39 and 2,935.91

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Solution

The fourth proportional to 7,619.84, 11,424.39 and 2,935.91 is: 4,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.84 : 11,424.39 = 2,935.91 : x
  2. Step 2: Convert to fraction form
    7,619.84/11,424.39 = 2,935.91/x
  3. Step 3: Cross multiply
    7,619.84x = 11,424.39 × 2,935.91
  4. Step 4: Simplify right side
    7,619.84x = 33,540,923.72
  5. Step 5: Solve for x
    x = 33,540,923.72/7,619.84
  6. Step 6: Final answer
    x = 4,401.79

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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.