Home / 8,811.09-13,198.71-4,124.55

Finding the Fourth Proportional to 8,811.09, 13,198.71 and 4,124.55

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Solution

The fourth proportional to 8,811.09, 13,198.71 and 4,124.55 is: 6,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.09 : 13,198.71 = 4,124.55 : x
  2. Step 2: Convert to fraction form
    8,811.09/13,198.71 = 4,124.55/x
  3. Step 3: Cross multiply
    8,811.09x = 13,198.71 × 4,124.55
  4. Step 4: Simplify right side
    8,811.09x = 54,438,739.33
  5. Step 5: Solve for x
    x = 54,438,739.33/8,811.09
  6. Step 6: Final answer
    x = 6,178.43

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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.