Home / 7,845.88-11,764.42-3,168.14

Finding the Fourth Proportional to 7,845.88, 11,764.42 and 3,168.14

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Solution

The fourth proportional to 7,845.88, 11,764.42 and 3,168.14 is: 4,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.88 : 11,764.42 = 3,168.14 : x
  2. Step 2: Convert to fraction form
    7,845.88/11,764.42 = 3,168.14/x
  3. Step 3: Cross multiply
    7,845.88x = 11,764.42 × 3,168.14
  4. Step 4: Simplify right side
    7,845.88x = 37,271,329.58
  5. Step 5: Solve for x
    x = 37,271,329.58/7,845.88
  6. Step 6: Final answer
    x = 4,750.43

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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.