Home / 6,841.41-10,260.65-2,161.78

Finding the Fourth Proportional to 6,841.41, 10,260.65 and 2,161.78

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Solution

The fourth proportional to 6,841.41, 10,260.65 and 2,161.78 is: 3,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,841.41 : 10,260.65 = 2,161.78 : x
  2. Step 2: Convert to fraction form
    6,841.41/10,260.65 = 2,161.78/x
  3. Step 3: Cross multiply
    6,841.41x = 10,260.65 × 2,161.78
  4. Step 4: Simplify right side
    6,841.41x = 22,181,257.15
  5. Step 5: Solve for x
    x = 22,181,257.15/6,841.41
  6. Step 6: Final answer
    x = 3,242.21

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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.