Home / 9,175.34-13,768.50-3,981.22

Finding the Fourth Proportional to 9,175.34, 13,768.50 and 3,981.22

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Solution

The fourth proportional to 9,175.34, 13,768.50 and 3,981.22 is: 5,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.34 : 13,768.50 = 3,981.22 : x
  2. Step 2: Convert to fraction form
    9,175.34/13,768.50 = 3,981.22/x
  3. Step 3: Cross multiply
    9,175.34x = 13,768.50 × 3,981.22
  4. Step 4: Simplify right side
    9,175.34x = 54,815,427.57
  5. Step 5: Solve for x
    x = 54,815,427.57/9,175.34
  6. Step 6: Final answer
    x = 5,974.21

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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.