Home / 8,734.72-13,104.64-5,039.60

Finding the Fourth Proportional to 8,734.72, 13,104.64 and 5,039.60

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Solution

The fourth proportional to 8,734.72, 13,104.64 and 5,039.60 is: 7,560.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.72 : 13,104.64 = 5,039.60 : x
  2. Step 2: Convert to fraction form
    8,734.72/13,104.64 = 5,039.60/x
  3. Step 3: Cross multiply
    8,734.72x = 13,104.64 × 5,039.60
  4. Step 4: Simplify right side
    8,734.72x = 66,042,143.74
  5. Step 5: Solve for x
    x = 66,042,143.74/8,734.72
  6. Step 6: Final answer
    x = 7,560.88

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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.