Home / 8,933.90-13,388.49-3,381.35

Finding the Fourth Proportional to 8,933.90, 13,388.49 and 3,381.35

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Solution

The fourth proportional to 8,933.90, 13,388.49 and 3,381.35 is: 5,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.90 : 13,388.49 = 3,381.35 : x
  2. Step 2: Convert to fraction form
    8,933.90/13,388.49 = 3,381.35/x
  3. Step 3: Cross multiply
    8,933.90x = 13,388.49 × 3,381.35
  4. Step 4: Simplify right side
    8,933.90x = 45,271,103.72
  5. Step 5: Solve for x
    x = 45,271,103.72/8,933.90
  6. Step 6: Final answer
    x = 5,067.34

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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.