Home / 8,583.30-12,874.80-2,739.86

Finding the Fourth Proportional to 8,583.30, 12,874.80 and 2,739.86

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Solution

The fourth proportional to 8,583.30, 12,874.80 and 2,739.86 is: 4,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,583.30 : 12,874.80 = 2,739.86 : x
  2. Step 2: Convert to fraction form
    8,583.30/12,874.80 = 2,739.86/x
  3. Step 3: Cross multiply
    8,583.30x = 12,874.80 × 2,739.86
  4. Step 4: Simplify right side
    8,583.30x = 35,275,149.53
  5. Step 5: Solve for x
    x = 35,275,149.53/8,583.30
  6. Step 6: Final answer
    x = 4,109.74

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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.