Home / 4,226.78-6,340.17-1,106.78

Finding the Fourth Proportional to 4,226.78, 6,340.17 and 1,106.78

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Solution

The fourth proportional to 4,226.78, 6,340.17 and 1,106.78 is: 1,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.78 : 6,340.17 = 1,106.78 : x
  2. Step 2: Convert to fraction form
    4,226.78/6,340.17 = 1,106.78/x
  3. Step 3: Cross multiply
    4,226.78x = 6,340.17 × 1,106.78
  4. Step 4: Simplify right side
    4,226.78x = 7,017,173.35
  5. Step 5: Solve for x
    x = 7,017,173.35/4,226.78
  6. Step 6: Final answer
    x = 1,660.17

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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.