Home / 4,917.94-6,785.98-2,928.44

Finding the Fourth Proportional to 4,917.94, 6,785.98 and 2,928.44

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Solution

The fourth proportional to 4,917.94, 6,785.98 and 2,928.44 is: 4,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.94 : 6,785.98 = 2,928.44 : x
  2. Step 2: Convert to fraction form
    4,917.94/6,785.98 = 2,928.44/x
  3. Step 3: Cross multiply
    4,917.94x = 6,785.98 × 2,928.44
  4. Step 4: Simplify right side
    4,917.94x = 19,872,344.92
  5. Step 5: Solve for x
    x = 19,872,344.92/4,917.94
  6. Step 6: Final answer
    x = 4,040.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.