Home / 5,167.40-7,748.73-2,828.21

Finding the Fourth Proportional to 5,167.40, 7,748.73 and 2,828.21

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Solution

The fourth proportional to 5,167.40, 7,748.73 and 2,828.21 is: 4,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167.40 : 7,748.73 = 2,828.21 : x
  2. Step 2: Convert to fraction form
    5,167.40/7,748.73 = 2,828.21/x
  3. Step 3: Cross multiply
    5,167.40x = 7,748.73 × 2,828.21
  4. Step 4: Simplify right side
    5,167.40x = 21,914,996.93
  5. Step 5: Solve for x
    x = 21,914,996.93/5,167.40
  6. Step 6: Final answer
    x = 4,241.01

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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.