Home / 7,428.43-11,144.50-5,241.43

Finding the Fourth Proportional to 7,428.43, 11,144.50 and 5,241.43

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Solution

The fourth proportional to 7,428.43, 11,144.50 and 5,241.43 is: 7,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.43 : 11,144.50 = 5,241.43 : x
  2. Step 2: Convert to fraction form
    7,428.43/11,144.50 = 5,241.43/x
  3. Step 3: Cross multiply
    7,428.43x = 11,144.50 × 5,241.43
  4. Step 4: Simplify right side
    7,428.43x = 58,413,116.64
  5. Step 5: Solve for x
    x = 58,413,116.64/7,428.43
  6. Step 6: Final answer
    x = 7,863.45

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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.