Home / 9,091.71-13,636.49-2,851.88

Finding the Fourth Proportional to 9,091.71, 13,636.49 and 2,851.88

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Solution

The fourth proportional to 9,091.71, 13,636.49 and 2,851.88 is: 4,277.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.71 : 13,636.49 = 2,851.88 : x
  2. Step 2: Convert to fraction form
    9,091.71/13,636.49 = 2,851.88/x
  3. Step 3: Cross multiply
    9,091.71x = 13,636.49 × 2,851.88
  4. Step 4: Simplify right side
    9,091.71x = 38,889,550.66
  5. Step 5: Solve for x
    x = 38,889,550.66/9,091.71
  6. Step 6: Final answer
    x = 4,277.47

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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.