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Finding the Fourth Proportional to 8,902.62, 13,354.26 and 2,662.71

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Solution

The fourth proportional to 8,902.62, 13,354.26 and 2,662.71 is: 3,994.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.62 : 13,354.26 = 2,662.71 : x
  2. Step 2: Convert to fraction form
    8,902.62/13,354.26 = 2,662.71/x
  3. Step 3: Cross multiply
    8,902.62x = 13,354.26 × 2,662.71
  4. Step 4: Simplify right side
    8,902.62x = 35,558,521.64
  5. Step 5: Solve for x
    x = 35,558,521.64/8,902.62
  6. Step 6: Final answer
    x = 3,994.16

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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.