Home / 8,333.22-12,500.50-2,786.60

Finding the Fourth Proportional to 8,333.22, 12,500.50 and 2,786.60

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Solution

The fourth proportional to 8,333.22, 12,500.50 and 2,786.60 is: 4,180.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.22 : 12,500.50 = 2,786.60 : x
  2. Step 2: Convert to fraction form
    8,333.22/12,500.50 = 2,786.60/x
  3. Step 3: Cross multiply
    8,333.22x = 12,500.50 × 2,786.60
  4. Step 4: Simplify right side
    8,333.22x = 34,833,917.58
  5. Step 5: Solve for x
    x = 34,833,917.58/8,333.22
  6. Step 6: Final answer
    x = 4,180.13

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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.