Home / 6,817.90-10,226.97-2,137.80

Finding the Fourth Proportional to 6,817.90, 10,226.97 and 2,137.80

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Solution

The fourth proportional to 6,817.90, 10,226.97 and 2,137.80 is: 3,206.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.90 : 10,226.97 = 2,137.80 : x
  2. Step 2: Convert to fraction form
    6,817.90/10,226.97 = 2,137.80/x
  3. Step 3: Cross multiply
    6,817.90x = 10,226.97 × 2,137.80
  4. Step 4: Simplify right side
    6,817.90x = 21,863,216.47
  5. Step 5: Solve for x
    x = 21,863,216.47/6,817.90
  6. Step 6: Final answer
    x = 3,206.74

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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.