Home / 6,817.78-10,226.72-2,200.78

Finding the Fourth Proportional to 6,817.78, 10,226.72 and 2,200.78

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Solution

The fourth proportional to 6,817.78, 10,226.72 and 2,200.78 is: 3,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,817.78 : 10,226.72 = 2,200.78 : x
  2. Step 2: Convert to fraction form
    6,817.78/10,226.72 = 2,200.78/x
  3. Step 3: Cross multiply
    6,817.78x = 10,226.72 × 2,200.78
  4. Step 4: Simplify right side
    6,817.78x = 22,506,760.84
  5. Step 5: Solve for x
    x = 22,506,760.84/6,817.78
  6. Step 6: Final answer
    x = 3,301.19

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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.