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Finding the Fourth Proportional to 8,996.96, 13,496.88 and 3,802.88

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Solution

The fourth proportional to 8,996.96, 13,496.88 and 3,802.88 is: 5,704.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.96 : 13,496.88 = 3,802.88 : x
  2. Step 2: Convert to fraction form
    8,996.96/13,496.88 = 3,802.88/x
  3. Step 3: Cross multiply
    8,996.96x = 13,496.88 × 3,802.88
  4. Step 4: Simplify right side
    8,996.96x = 51,327,015.01
  5. Step 5: Solve for x
    x = 51,327,015.01/8,996.96
  6. Step 6: Final answer
    x = 5,704.93

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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.