Home / 8,733.72-13,100.60-3,187.06

Finding the Fourth Proportional to 8,733.72, 13,100.60 and 3,187.06

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Solution

The fourth proportional to 8,733.72, 13,100.60 and 3,187.06 is: 4,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,733.72 : 13,100.60 = 3,187.06 : x
  2. Step 2: Convert to fraction form
    8,733.72/13,100.60 = 3,187.06/x
  3. Step 3: Cross multiply
    8,733.72x = 13,100.60 × 3,187.06
  4. Step 4: Simplify right side
    8,733.72x = 41,752,398.24
  5. Step 5: Solve for x
    x = 41,752,398.24/8,733.72
  6. Step 6: Final answer
    x = 4,780.60

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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.