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Finding the Fourth Proportional to 8,984.16, 13,481.88 and 3,790.02

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Solution

The fourth proportional to 8,984.16, 13,481.88 and 3,790.02 is: 5,687.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.16 : 13,481.88 = 3,790.02 : x
  2. Step 2: Convert to fraction form
    8,984.16/13,481.88 = 3,790.02/x
  3. Step 3: Cross multiply
    8,984.16x = 13,481.88 × 3,790.02
  4. Step 4: Simplify right side
    8,984.16x = 51,096,594.84
  5. Step 5: Solve for x
    x = 51,096,594.84/8,984.16
  6. Step 6: Final answer
    x = 5,687.41

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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.