Home / 8,121.07-11,207.08-4,584.51

Finding the Fourth Proportional to 8,121.07, 11,207.08 and 4,584.51

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Solution

The fourth proportional to 8,121.07, 11,207.08 and 4,584.51 is: 6,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121.07 : 11,207.08 = 4,584.51 : x
  2. Step 2: Convert to fraction form
    8,121.07/11,207.08 = 4,584.51/x
  3. Step 3: Cross multiply
    8,121.07x = 11,207.08 × 4,584.51
  4. Step 4: Simplify right side
    8,121.07x = 51,378,970.33
  5. Step 5: Solve for x
    x = 51,378,970.33/8,121.07
  6. Step 6: Final answer
    x = 6,326.63

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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.