Home / 6,083.96-9,126.90-1,979

Finding the Fourth Proportional to 6,083.96, 9,126.90 and 1,979

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Solution

The fourth proportional to 6,083.96, 9,126.90 and 1,979 is: 2,968.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,083.96 : 9,126.90 = 1,979 : x
  2. Step 2: Convert to fraction form
    6,083.96/9,126.90 = 1,979/x
  3. Step 3: Cross multiply
    6,083.96x = 9,126.90 × 1,979
  4. Step 4: Simplify right side
    6,083.96x = 18,062,135.10
  5. Step 5: Solve for x
    x = 18,062,135.10/6,083.96
  6. Step 6: Final answer
    x = 2,968.81

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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.