Home / 7,743.83-11,621.00-5,105.66

Finding the Fourth Proportional to 7,743.83, 11,621.00 and 5,105.66

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Solution

The fourth proportional to 7,743.83, 11,621.00 and 5,105.66 is: 7,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.83 : 11,621.00 = 5,105.66 : x
  2. Step 2: Convert to fraction form
    7,743.83/11,621.00 = 5,105.66/x
  3. Step 3: Cross multiply
    7,743.83x = 11,621.00 × 5,105.66
  4. Step 4: Simplify right side
    7,743.83x = 59,332,829.52
  5. Step 5: Solve for x
    x = 59,332,829.52/7,743.83
  6. Step 6: Final answer
    x = 7,661.95

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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.