Home / 6,811.84-10,217.40-2,194.48

Finding the Fourth Proportional to 6,811.84, 10,217.40 and 2,194.48

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Solution

The fourth proportional to 6,811.84, 10,217.40 and 2,194.48 is: 3,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.84 : 10,217.40 = 2,194.48 : x
  2. Step 2: Convert to fraction form
    6,811.84/10,217.40 = 2,194.48/x
  3. Step 3: Cross multiply
    6,811.84x = 10,217.40 × 2,194.48
  4. Step 4: Simplify right side
    6,811.84x = 22,421,879.95
  5. Step 5: Solve for x
    x = 22,421,879.95/6,811.84
  6. Step 6: Final answer
    x = 3,291.60

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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.