Home / 8,584.90-12,879.80-2,741.96

Finding the Fourth Proportional to 8,584.90, 12,879.80 and 2,741.96

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Solution

The fourth proportional to 8,584.90, 12,879.80 and 2,741.96 is: 4,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.90 : 12,879.80 = 2,741.96 : x
  2. Step 2: Convert to fraction form
    8,584.90/12,879.80 = 2,741.96/x
  3. Step 3: Cross multiply
    8,584.90x = 12,879.80 × 2,741.96
  4. Step 4: Simplify right side
    8,584.90x = 35,315,896.41
  5. Step 5: Solve for x
    x = 35,315,896.41/8,584.90
  6. Step 6: Final answer
    x = 4,113.72

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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.