Home / 9,336.40-14,004.34-3,789.60

Finding the Fourth Proportional to 9,336.40, 14,004.34 and 3,789.60

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Solution

The fourth proportional to 9,336.40, 14,004.34 and 3,789.60 is: 5,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,336.40 : 14,004.34 = 3,789.60 : x
  2. Step 2: Convert to fraction form
    9,336.40/14,004.34 = 3,789.60/x
  3. Step 3: Cross multiply
    9,336.40x = 14,004.34 × 3,789.60
  4. Step 4: Simplify right side
    9,336.40x = 53,070,846.86
  5. Step 5: Solve for x
    x = 53,070,846.86/9,336.40
  6. Step 6: Final answer
    x = 5,684.29

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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.