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Finding the Fourth Proportional to 4,940.94, 7,411.41 and 1,862.22

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Solution

The fourth proportional to 4,940.94, 7,411.41 and 1,862.22 is: 2,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,940.94 : 7,411.41 = 1,862.22 : x
  2. Step 2: Convert to fraction form
    4,940.94/7,411.41 = 1,862.22/x
  3. Step 3: Cross multiply
    4,940.94x = 7,411.41 × 1,862.22
  4. Step 4: Simplify right side
    4,940.94x = 13,801,675.93
  5. Step 5: Solve for x
    x = 13,801,675.93/4,940.94
  6. Step 6: Final answer
    x = 2,793.33

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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.