Home / 5,225.43-7,841.21-1,940.80

Finding the Fourth Proportional to 5,225.43, 7,841.21 and 1,940.80

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Solution

The fourth proportional to 5,225.43, 7,841.21 and 1,940.80 is: 2,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.43 : 7,841.21 = 1,940.80 : x
  2. Step 2: Convert to fraction form
    5,225.43/7,841.21 = 1,940.80/x
  3. Step 3: Cross multiply
    5,225.43x = 7,841.21 × 1,940.80
  4. Step 4: Simplify right side
    5,225.43x = 15,218,220.37
  5. Step 5: Solve for x
    x = 15,218,220.37/5,225.43
  6. Step 6: Final answer
    x = 2,912.34

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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.