Home / 7,884.97-11,821.04-2,951.85

Finding the Fourth Proportional to 7,884.97, 11,821.04 and 2,951.85

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Solution

The fourth proportional to 7,884.97, 11,821.04 and 2,951.85 is: 4,425.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.97 : 11,821.04 = 2,951.85 : x
  2. Step 2: Convert to fraction form
    7,884.97/11,821.04 = 2,951.85/x
  3. Step 3: Cross multiply
    7,884.97x = 11,821.04 × 2,951.85
  4. Step 4: Simplify right side
    7,884.97x = 34,893,877.82
  5. Step 5: Solve for x
    x = 34,893,877.82/7,884.97
  6. Step 6: Final answer
    x = 4,425.37

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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.