Home / 8,076.26-12,105.75-4,176.74

Finding the Fourth Proportional to 8,076.26, 12,105.75 and 4,176.74

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Solution

The fourth proportional to 8,076.26, 12,105.75 and 4,176.74 is: 6,260.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.26 : 12,105.75 = 4,176.74 : x
  2. Step 2: Convert to fraction form
    8,076.26/12,105.75 = 4,176.74/x
  3. Step 3: Cross multiply
    8,076.26x = 12,105.75 × 4,176.74
  4. Step 4: Simplify right side
    8,076.26x = 50,562,570.26
  5. Step 5: Solve for x
    x = 50,562,570.26/8,076.26
  6. Step 6: Final answer
    x = 6,260.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.