Home / 7,418.49-11,131.83-3,039.02

Finding the Fourth Proportional to 7,418.49, 11,131.83 and 3,039.02

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Solution

The fourth proportional to 7,418.49, 11,131.83 and 3,039.02 is: 4,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.49 : 11,131.83 = 3,039.02 : x
  2. Step 2: Convert to fraction form
    7,418.49/11,131.83 = 3,039.02/x
  3. Step 3: Cross multiply
    7,418.49x = 11,131.83 × 3,039.02
  4. Step 4: Simplify right side
    7,418.49x = 33,829,840.09
  5. Step 5: Solve for x
    x = 33,829,840.09/7,418.49
  6. Step 6: Final answer
    x = 4,560.21

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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.