Home / 7,418.49-11,122.26-3,716.99

Finding the Fourth Proportional to 7,418.49, 11,122.26 and 3,716.99

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Solution

The fourth proportional to 7,418.49, 11,122.26 and 3,716.99 is: 5,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.49 : 11,122.26 = 3,716.99 : x
  2. Step 2: Convert to fraction form
    7,418.49/11,122.26 = 3,716.99/x
  3. Step 3: Cross multiply
    7,418.49x = 11,122.26 × 3,716.99
  4. Step 4: Simplify right side
    7,418.49x = 41,341,322.26
  5. Step 5: Solve for x
    x = 41,341,322.26/7,418.49
  6. Step 6: Final answer
    x = 5,572.74

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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.