Home / 9,129.24-13,685.46-4,446.60

Finding the Fourth Proportional to 9,129.24, 13,685.46 and 4,446.60

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Solution

The fourth proportional to 9,129.24, 13,685.46 and 4,446.60 is: 6,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.24 : 13,685.46 = 4,446.60 : x
  2. Step 2: Convert to fraction form
    9,129.24/13,685.46 = 4,446.60/x
  3. Step 3: Cross multiply
    9,129.24x = 13,685.46 × 4,446.60
  4. Step 4: Simplify right side
    9,129.24x = 60,853,766.44
  5. Step 5: Solve for x
    x = 60,853,766.44/9,129.24
  6. Step 6: Final answer
    x = 6,665.81

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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.