Home / 9,091.09-13,636.81-2,850.97

Finding the Fourth Proportional to 9,091.09, 13,636.81 and 2,850.97

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Solution

The fourth proportional to 9,091.09, 13,636.81 and 2,850.97 is: 4,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.09 : 13,636.81 = 2,850.97 : x
  2. Step 2: Convert to fraction form
    9,091.09/13,636.81 = 2,850.97/x
  3. Step 3: Cross multiply
    9,091.09x = 13,636.81 × 2,850.97
  4. Step 4: Simplify right side
    9,091.09x = 38,878,053.77
  5. Step 5: Solve for x
    x = 38,878,053.77/9,091.09
  6. Step 6: Final answer
    x = 4,276.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.