Home / 8,205.39-11,324.37-4,571.79

Finding the Fourth Proportional to 8,205.39, 11,324.37 and 4,571.79

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Solution

The fourth proportional to 8,205.39, 11,324.37 and 4,571.79 is: 6,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.39 : 11,324.37 = 4,571.79 : x
  2. Step 2: Convert to fraction form
    8,205.39/11,324.37 = 4,571.79/x
  3. Step 3: Cross multiply
    8,205.39x = 11,324.37 × 4,571.79
  4. Step 4: Simplify right side
    8,205.39x = 51,772,641.52
  5. Step 5: Solve for x
    x = 51,772,641.52/8,205.39
  6. Step 6: Final answer
    x = 6,309.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.