Home / 5,921.02-8,879.70-1,971.43

Finding the Fourth Proportional to 5,921.02, 8,879.70 and 1,971.43

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Solution

The fourth proportional to 5,921.02, 8,879.70 and 1,971.43 is: 2,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.02 : 8,879.70 = 1,971.43 : x
  2. Step 2: Convert to fraction form
    5,921.02/8,879.70 = 1,971.43/x
  3. Step 3: Cross multiply
    5,921.02x = 8,879.70 × 1,971.43
  4. Step 4: Simplify right side
    5,921.02x = 17,505,706.97
  5. Step 5: Solve for x
    x = 17,505,706.97/5,921.02
  6. Step 6: Final answer
    x = 2,956.54

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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.