Home / 6,919.94-10,378.43-2,240.38

Finding the Fourth Proportional to 6,919.94, 10,378.43 and 2,240.38

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Solution

The fourth proportional to 6,919.94, 10,378.43 and 2,240.38 is: 3,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.94 : 10,378.43 = 2,240.38 : x
  2. Step 2: Convert to fraction form
    6,919.94/10,378.43 = 2,240.38/x
  3. Step 3: Cross multiply
    6,919.94x = 10,378.43 × 2,240.38
  4. Step 4: Simplify right side
    6,919.94x = 23,251,627.00
  5. Step 5: Solve for x
    x = 23,251,627.00/6,919.94
  6. Step 6: Final answer
    x = 3,360.09

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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.