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Finding the Fourth Proportional to 8,498.30, 12,747.46 and 2,654.94

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Solution

The fourth proportional to 8,498.30, 12,747.46 and 2,654.94 is: 3,982.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,498.30 : 12,747.46 = 2,654.94 : x
  2. Step 2: Convert to fraction form
    8,498.30/12,747.46 = 2,654.94/x
  3. Step 3: Cross multiply
    8,498.30x = 12,747.46 × 2,654.94
  4. Step 4: Simplify right side
    8,498.30x = 33,843,741.45
  5. Step 5: Solve for x
    x = 33,843,741.45/8,498.30
  6. Step 6: Final answer
    x = 3,982.41

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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.