Home / 8,600.09-12,895.86-2,755.94

Finding the Fourth Proportional to 8,600.09, 12,895.86 and 2,755.94

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Solution

The fourth proportional to 8,600.09, 12,895.86 and 2,755.94 is: 4,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,600.09 : 12,895.86 = 2,755.94 : x
  2. Step 2: Convert to fraction form
    8,600.09/12,895.86 = 2,755.94/x
  3. Step 3: Cross multiply
    8,600.09x = 12,895.86 × 2,755.94
  4. Step 4: Simplify right side
    8,600.09x = 35,540,216.41
  5. Step 5: Solve for x
    x = 35,540,216.41/8,600.09
  6. Step 6: Final answer
    x = 4,132.54

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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.