Home / 9,405.68-14,106.20-3,860.60

Finding the Fourth Proportional to 9,405.68, 14,106.20 and 3,860.60

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Solution

The fourth proportional to 9,405.68, 14,106.20 and 3,860.60 is: 5,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.68 : 14,106.20 = 3,860.60 : x
  2. Step 2: Convert to fraction form
    9,405.68/14,106.20 = 3,860.60/x
  3. Step 3: Cross multiply
    9,405.68x = 14,106.20 × 3,860.60
  4. Step 4: Simplify right side
    9,405.68x = 54,458,305.89
  5. Step 5: Solve for x
    x = 54,458,305.89/9,405.68
  6. Step 6: Final answer
    x = 5,789.94

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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.