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Finding the Fourth Proportional to 8,993.34, 13,490.01 and 2,419.54

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Solution

The fourth proportional to 8,993.34, 13,490.01 and 2,419.54 is: 3,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.34 : 13,490.01 = 2,419.54 : x
  2. Step 2: Convert to fraction form
    8,993.34/13,490.01 = 2,419.54/x
  3. Step 3: Cross multiply
    8,993.34x = 13,490.01 × 2,419.54
  4. Step 4: Simplify right side
    8,993.34x = 32,639,585.07
  5. Step 5: Solve for x
    x = 32,639,585.07/8,993.34
  6. Step 6: Final answer
    x = 3,629.31

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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.