Home / 7,841.54-11,763.83-3,161.97

Finding the Fourth Proportional to 7,841.54, 11,763.83 and 3,161.97

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Solution

The fourth proportional to 7,841.54, 11,763.83 and 3,161.97 is: 4,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.54 : 11,763.83 = 3,161.97 : x
  2. Step 2: Convert to fraction form
    7,841.54/11,763.83 = 3,161.97/x
  3. Step 3: Cross multiply
    7,841.54x = 11,763.83 × 3,161.97
  4. Step 4: Simplify right side
    7,841.54x = 37,196,885.45
  5. Step 5: Solve for x
    x = 37,196,885.45/7,841.54
  6. Step 6: Final answer
    x = 4,743.57

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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.