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Finding the Fourth Proportional to 8,940.74, 13,411.10 and 3,097.33

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Solution

The fourth proportional to 8,940.74, 13,411.10 and 3,097.33 is: 4,645.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940.74 : 13,411.10 = 3,097.33 : x
  2. Step 2: Convert to fraction form
    8,940.74/13,411.10 = 3,097.33/x
  3. Step 3: Cross multiply
    8,940.74x = 13,411.10 × 3,097.33
  4. Step 4: Simplify right side
    8,940.74x = 41,538,576.58
  5. Step 5: Solve for x
    x = 41,538,576.58/8,940.74
  6. Step 6: Final answer
    x = 4,645.99

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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.