Home / 7,584.92-11,383.76-3,890.72

Finding the Fourth Proportional to 7,584.92, 11,383.76 and 3,890.72

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Solution

The fourth proportional to 7,584.92, 11,383.76 and 3,890.72 is: 5,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.92 : 11,383.76 = 3,890.72 : x
  2. Step 2: Convert to fraction form
    7,584.92/11,383.76 = 3,890.72/x
  3. Step 3: Cross multiply
    7,584.92x = 11,383.76 × 3,890.72
  4. Step 4: Simplify right side
    7,584.92x = 44,290,975.52
  5. Step 5: Solve for x
    x = 44,290,975.52/7,584.92
  6. Step 6: Final answer
    x = 5,839.34

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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.