Home / 7,223.21-10,836.36-2,543.03

Finding the Fourth Proportional to 7,223.21, 10,836.36 and 2,543.03

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Solution

The fourth proportional to 7,223.21, 10,836.36 and 2,543.03 is: 3,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.21 : 10,836.36 = 2,543.03 : x
  2. Step 2: Convert to fraction form
    7,223.21/10,836.36 = 2,543.03/x
  3. Step 3: Cross multiply
    7,223.21x = 10,836.36 × 2,543.03
  4. Step 4: Simplify right side
    7,223.21x = 27,557,213.59
  5. Step 5: Solve for x
    x = 27,557,213.59/7,223.21
  6. Step 6: Final answer
    x = 3,815.09

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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.