Home / 8,255.96-12,379.77-2,707.83

Finding the Fourth Proportional to 8,255.96, 12,379.77 and 2,707.83

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Solution

The fourth proportional to 8,255.96, 12,379.77 and 2,707.83 is: 4,060.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.96 : 12,379.77 = 2,707.83 : x
  2. Step 2: Convert to fraction form
    8,255.96/12,379.77 = 2,707.83/x
  3. Step 3: Cross multiply
    8,255.96x = 12,379.77 × 2,707.83
  4. Step 4: Simplify right side
    8,255.96x = 33,522,312.60
  5. Step 5: Solve for x
    x = 33,522,312.60/8,255.96
  6. Step 6: Final answer
    x = 4,060.38

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1.5x scale

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.