Home / 9,405.22-14,105.50-3,860.14

Finding the Fourth Proportional to 9,405.22, 14,105.50 and 3,860.14

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Solution

The fourth proportional to 9,405.22, 14,105.50 and 3,860.14 is: 5,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.22 : 14,105.50 = 3,860.14 : x
  2. Step 2: Convert to fraction form
    9,405.22/14,105.50 = 3,860.14/x
  3. Step 3: Cross multiply
    9,405.22x = 14,105.50 × 3,860.14
  4. Step 4: Simplify right side
    9,405.22x = 54,449,204.77
  5. Step 5: Solve for x
    x = 54,449,204.77/9,405.22
  6. Step 6: Final answer
    x = 5,789.25

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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.