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Finding the Fourth Proportional to 8,998.56, 13,500 and 3,808.08

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Solution

The fourth proportional to 8,998.56, 13,500 and 3,808.08 is: 5,713.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.56 : 13,500 = 3,808.08 : x
  2. Step 2: Convert to fraction form
    8,998.56/13,500 = 3,808.08/x
  3. Step 3: Cross multiply
    8,998.56x = 13,500 × 3,808.08
  4. Step 4: Simplify right side
    8,998.56x = 51,409,080
  5. Step 5: Solve for x
    x = 51,409,080/8,998.56
  6. Step 6: Final answer
    x = 5,713.03

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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.