Home / 4,249.44-6,378.21-1,783.60

Finding the Fourth Proportional to 4,249.44, 6,378.21 and 1,783.60

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Solution

The fourth proportional to 4,249.44, 6,378.21 and 1,783.60 is: 2,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.44 : 6,378.21 = 1,783.60 : x
  2. Step 2: Convert to fraction form
    4,249.44/6,378.21 = 1,783.60/x
  3. Step 3: Cross multiply
    4,249.44x = 6,378.21 × 1,783.60
  4. Step 4: Simplify right side
    4,249.44x = 11,376,175.36
  5. Step 5: Solve for x
    x = 11,376,175.36/4,249.44
  6. Step 6: Final answer
    x = 2,677.10

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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.