Home / 5,274.39-7,906.51-1,940.83

Finding the Fourth Proportional to 5,274.39, 7,906.51 and 1,940.83

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Solution

The fourth proportional to 5,274.39, 7,906.51 and 1,940.83 is: 2,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.39 : 7,906.51 = 1,940.83 : x
  2. Step 2: Convert to fraction form
    5,274.39/7,906.51 = 1,940.83/x
  3. Step 3: Cross multiply
    5,274.39x = 7,906.51 × 1,940.83
  4. Step 4: Simplify right side
    5,274.39x = 15,345,191.80
  5. Step 5: Solve for x
    x = 15,345,191.80/5,274.39
  6. Step 6: Final answer
    x = 2,909.38

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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.