Home / 8,448.22-11,659.71-5,308.66

Finding the Fourth Proportional to 8,448.22, 11,659.71 and 5,308.66

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Solution

The fourth proportional to 8,448.22, 11,659.71 and 5,308.66 is: 7,326.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.22 : 11,659.71 = 5,308.66 : x
  2. Step 2: Convert to fraction form
    8,448.22/11,659.71 = 5,308.66/x
  3. Step 3: Cross multiply
    8,448.22x = 11,659.71 × 5,308.66
  4. Step 4: Simplify right side
    8,448.22x = 61,897,436.09
  5. Step 5: Solve for x
    x = 61,897,436.09/8,448.22
  6. Step 6: Final answer
    x = 7,326.68

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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.