Home / 8,982.71-13,474.97-3,438.66

Finding the Fourth Proportional to 8,982.71, 13,474.97 and 3,438.66

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Solution

The fourth proportional to 8,982.71, 13,474.97 and 3,438.66 is: 5,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.71 : 13,474.97 = 3,438.66 : x
  2. Step 2: Convert to fraction form
    8,982.71/13,474.97 = 3,438.66/x
  3. Step 3: Cross multiply
    8,982.71x = 13,474.97 × 3,438.66
  4. Step 4: Simplify right side
    8,982.71x = 46,335,840.34
  5. Step 5: Solve for x
    x = 46,335,840.34/8,982.71
  6. Step 6: Final answer
    x = 5,158.34

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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.