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Finding the Fourth Proportional to 6,481.58, 9,720.93 and 2,584.94

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Solution

The fourth proportional to 6,481.58, 9,720.93 and 2,584.94 is: 3,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.58 : 9,720.93 = 2,584.94 : x
  2. Step 2: Convert to fraction form
    6,481.58/9,720.93 = 2,584.94/x
  3. Step 3: Cross multiply
    6,481.58x = 9,720.93 × 2,584.94
  4. Step 4: Simplify right side
    6,481.58x = 25,128,020.79
  5. Step 5: Solve for x
    x = 25,128,020.79/6,481.58
  6. Step 6: Final answer
    x = 3,876.84

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1.5x scale

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.