Home / 5,971.78-8,961.57-2,274.05

Finding the Fourth Proportional to 5,971.78, 8,961.57 and 2,274.05

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Solution

The fourth proportional to 5,971.78, 8,961.57 and 2,274.05 is: 3,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,971.78 : 8,961.57 = 2,274.05 : x
  2. Step 2: Convert to fraction form
    5,971.78/8,961.57 = 2,274.05/x
  3. Step 3: Cross multiply
    5,971.78x = 8,961.57 × 2,274.05
  4. Step 4: Simplify right side
    5,971.78x = 20,379,016.29
  5. Step 5: Solve for x
    x = 20,379,016.29/5,971.78
  6. Step 6: Final answer
    x = 3,412.55

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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.