Home / 7,618.94-11,429.21-2,072.37

Finding the Fourth Proportional to 7,618.94, 11,429.21 and 2,072.37

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Solution

The fourth proportional to 7,618.94, 11,429.21 and 2,072.37 is: 3,108.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.94 : 11,429.21 = 2,072.37 : x
  2. Step 2: Convert to fraction form
    7,618.94/11,429.21 = 2,072.37/x
  3. Step 3: Cross multiply
    7,618.94x = 11,429.21 × 2,072.37
  4. Step 4: Simplify right side
    7,618.94x = 23,685,557.11
  5. Step 5: Solve for x
    x = 23,685,557.11/7,618.94
  6. Step 6: Final answer
    x = 3,108.78

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1.5x scale

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.