Home / 8,120.52-11,206.32-4,584.48

Finding the Fourth Proportional to 8,120.52, 11,206.32 and 4,584.48

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Solution

The fourth proportional to 8,120.52, 11,206.32 and 4,584.48 is: 6,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.52 : 11,206.32 = 4,584.48 : x
  2. Step 2: Convert to fraction form
    8,120.52/11,206.32 = 4,584.48/x
  3. Step 3: Cross multiply
    8,120.52x = 11,206.32 × 4,584.48
  4. Step 4: Simplify right side
    8,120.52x = 51,375,149.91
  5. Step 5: Solve for x
    x = 51,375,149.91/8,120.52
  6. Step 6: Final answer
    x = 6,326.58

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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.