Home / 8,286.08-11,434.80-4,509.26

Finding the Fourth Proportional to 8,286.08, 11,434.80 and 4,509.26

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Solution

The fourth proportional to 8,286.08, 11,434.80 and 4,509.26 is: 6,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.08 : 11,434.80 = 4,509.26 : x
  2. Step 2: Convert to fraction form
    8,286.08/11,434.80 = 4,509.26/x
  3. Step 3: Cross multiply
    8,286.08x = 11,434.80 × 4,509.26
  4. Step 4: Simplify right side
    8,286.08x = 51,562,503.56
  5. Step 5: Solve for x
    x = 51,562,503.56/8,286.08
  6. Step 6: Final answer
    x = 6,222.78

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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.