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Finding the Fourth Proportional to 7,923.02, 11,884.73 and 2,728.89

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Solution

The fourth proportional to 7,923.02, 11,884.73 and 2,728.89 is: 4,093.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.02 : 11,884.73 = 2,728.89 : x
  2. Step 2: Convert to fraction form
    7,923.02/11,884.73 = 2,728.89/x
  3. Step 3: Cross multiply
    7,923.02x = 11,884.73 × 2,728.89
  4. Step 4: Simplify right side
    7,923.02x = 32,432,107.21
  5. Step 5: Solve for x
    x = 32,432,107.21/7,923.02
  6. Step 6: Final answer
    x = 4,093.40

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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.