Home / 5,453.94-8,181.64-1,944.80

Finding the Fourth Proportional to 5,453.94, 8,181.64 and 1,944.80

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Solution

The fourth proportional to 5,453.94, 8,181.64 and 1,944.80 is: 2,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.94 : 8,181.64 = 1,944.80 : x
  2. Step 2: Convert to fraction form
    5,453.94/8,181.64 = 1,944.80/x
  3. Step 3: Cross multiply
    5,453.94x = 8,181.64 × 1,944.80
  4. Step 4: Simplify right side
    5,453.94x = 15,911,653.47
  5. Step 5: Solve for x
    x = 15,911,653.47/5,453.94
  6. Step 6: Final answer
    x = 2,917.46

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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.