Home / 8,121.12-11,206.52-4,584.68

Finding the Fourth Proportional to 8,121.12, 11,206.52 and 4,584.68

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Solution

The fourth proportional to 8,121.12, 11,206.52 and 4,584.68 is: 6,326.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.12 : 11,206.52 = 4,584.68 : x
  2. Step 2: Convert to fraction form
    8,121.12/11,206.52 = 4,584.68/x
  3. Step 3: Cross multiply
    8,121.12x = 11,206.52 × 4,584.68
  4. Step 4: Simplify right side
    8,121.12x = 51,378,308.11
  5. Step 5: Solve for x
    x = 51,378,308.11/8,121.12
  6. Step 6: Final answer
    x = 6,326.51

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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.