Home / 8,928.30-13,394.34-3,381.54

Finding the Fourth Proportional to 8,928.30, 13,394.34 and 3,381.54

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Solution

The fourth proportional to 8,928.30, 13,394.34 and 3,381.54 is: 5,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.30 : 13,394.34 = 3,381.54 : x
  2. Step 2: Convert to fraction form
    8,928.30/13,394.34 = 3,381.54/x
  3. Step 3: Cross multiply
    8,928.30x = 13,394.34 × 3,381.54
  4. Step 4: Simplify right side
    8,928.30x = 45,293,496.48
  5. Step 5: Solve for x
    x = 45,293,496.48/8,928.30
  6. Step 6: Final answer
    x = 5,073.03

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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.