Home / 8,286.64-11,435.70-4,509.88

Finding the Fourth Proportional to 8,286.64, 11,435.70 and 4,509.88

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Solution

The fourth proportional to 8,286.64, 11,435.70 and 4,509.88 is: 6,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.64 : 11,435.70 = 4,509.88 : x
  2. Step 2: Convert to fraction form
    8,286.64/11,435.70 = 4,509.88/x
  3. Step 3: Cross multiply
    8,286.64x = 11,435.70 × 4,509.88
  4. Step 4: Simplify right side
    8,286.64x = 51,573,634.72
  5. Step 5: Solve for x
    x = 51,573,634.72/8,286.64
  6. Step 6: Final answer
    x = 6,223.71

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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.