Home / 7,789.46-11,684.07-3,627.14

Finding the Fourth Proportional to 7,789.46, 11,684.07 and 3,627.14

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Solution

The fourth proportional to 7,789.46, 11,684.07 and 3,627.14 is: 5,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.46 : 11,684.07 = 3,627.14 : x
  2. Step 2: Convert to fraction form
    7,789.46/11,684.07 = 3,627.14/x
  3. Step 3: Cross multiply
    7,789.46x = 11,684.07 × 3,627.14
  4. Step 4: Simplify right side
    7,789.46x = 42,379,699.24
  5. Step 5: Solve for x
    x = 42,379,699.24/7,789.46
  6. Step 6: Final answer
    x = 5,440.65

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1.5x scale

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.