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Finding the Fourth Proportional to 7,891.07, 11,841.46 and 4,383.77

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Solution

The fourth proportional to 7,891.07, 11,841.46 and 4,383.77 is: 6,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,891.07 : 11,841.46 = 4,383.77 : x
  2. Step 2: Convert to fraction form
    7,891.07/11,841.46 = 4,383.77/x
  3. Step 3: Cross multiply
    7,891.07x = 11,841.46 × 4,383.77
  4. Step 4: Simplify right side
    7,891.07x = 51,910,166.94
  5. Step 5: Solve for x
    x = 51,910,166.94/7,891.07
  6. Step 6: Final answer
    x = 6,578.35

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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.