Home / 5,922.09-8,172.62-3,829.86

Finding the Fourth Proportional to 5,922.09, 8,172.62 and 3,829.86

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Solution

The fourth proportional to 5,922.09, 8,172.62 and 3,829.86 is: 5,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,922.09 : 8,172.62 = 3,829.86 : x
  2. Step 2: Convert to fraction form
    5,922.09/8,172.62 = 3,829.86/x
  3. Step 3: Cross multiply
    5,922.09x = 8,172.62 × 3,829.86
  4. Step 4: Simplify right side
    5,922.09x = 31,299,971.28
  5. Step 5: Solve for x
    x = 31,299,971.28/5,922.09
  6. Step 6: Final answer
    x = 5,285.29

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.