Home / 5,403.22-8,106.98-1,940.74

Finding the Fourth Proportional to 5,403.22, 8,106.98 and 1,940.74

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Solution

The fourth proportional to 5,403.22, 8,106.98 and 1,940.74 is: 2,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.22 : 8,106.98 = 1,940.74 : x
  2. Step 2: Convert to fraction form
    5,403.22/8,106.98 = 1,940.74/x
  3. Step 3: Cross multiply
    5,403.22x = 8,106.98 × 1,940.74
  4. Step 4: Simplify right side
    5,403.22x = 15,733,504.68
  5. Step 5: Solve for x
    x = 15,733,504.68/5,403.22
  6. Step 6: Final answer
    x = 2,911.88

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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.