Home / 5,376.67-8,066.62-1,679.29

Finding the Fourth Proportional to 5,376.67, 8,066.62 and 1,679.29

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Solution

The fourth proportional to 5,376.67, 8,066.62 and 1,679.29 is: 2,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.67 : 8,066.62 = 1,679.29 : x
  2. Step 2: Convert to fraction form
    5,376.67/8,066.62 = 1,679.29/x
  3. Step 3: Cross multiply
    5,376.67x = 8,066.62 × 1,679.29
  4. Step 4: Simplify right side
    5,376.67x = 13,546,153.97
  5. Step 5: Solve for x
    x = 13,546,153.97/5,376.67
  6. Step 6: Final answer
    x = 2,519.43

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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.