Home / 9,385.60-14,078.38-3,765.81

Finding the Fourth Proportional to 9,385.60, 14,078.38 and 3,765.81

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Solution

The fourth proportional to 9,385.60, 14,078.38 and 3,765.81 is: 5,648.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.60 : 14,078.38 = 3,765.81 : x
  2. Step 2: Convert to fraction form
    9,385.60/14,078.38 = 3,765.81/x
  3. Step 3: Cross multiply
    9,385.60x = 14,078.38 × 3,765.81
  4. Step 4: Simplify right side
    9,385.60x = 53,016,504.19
  5. Step 5: Solve for x
    x = 53,016,504.19/9,385.60
  6. Step 6: Final answer
    x = 5,648.71

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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.