Home / 8,736.24-13,104.34-2,892.86

Finding the Fourth Proportional to 8,736.24, 13,104.34 and 2,892.86

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Solution

The fourth proportional to 8,736.24, 13,104.34 and 2,892.86 is: 4,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.24 : 13,104.34 = 2,892.86 : x
  2. Step 2: Convert to fraction form
    8,736.24/13,104.34 = 2,892.86/x
  3. Step 3: Cross multiply
    8,736.24x = 13,104.34 × 2,892.86
  4. Step 4: Simplify right side
    8,736.24x = 37,909,021.01
  5. Step 5: Solve for x
    x = 37,909,021.01/8,736.24
  6. Step 6: Final answer
    x = 4,339.28

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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.