Home / 9,181.77-13,772.98-2,940.97

Finding the Fourth Proportional to 9,181.77, 13,772.98 and 2,940.97

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Solution

The fourth proportional to 9,181.77, 13,772.98 and 2,940.97 is: 4,411.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.77 : 13,772.98 = 2,940.97 : x
  2. Step 2: Convert to fraction form
    9,181.77/13,772.98 = 2,940.97/x
  3. Step 3: Cross multiply
    9,181.77x = 13,772.98 × 2,940.97
  4. Step 4: Simplify right side
    9,181.77x = 40,505,920.99
  5. Step 5: Solve for x
    x = 40,505,920.99/9,181.77
  6. Step 6: Final answer
    x = 4,411.56

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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.