Home / 4,919.94-6,788.72-2,930.46

Finding the Fourth Proportional to 4,919.94, 6,788.72 and 2,930.46

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Solution

The fourth proportional to 4,919.94, 6,788.72 and 2,930.46 is: 4,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.94 : 6,788.72 = 2,930.46 : x
  2. Step 2: Convert to fraction form
    4,919.94/6,788.72 = 2,930.46/x
  3. Step 3: Cross multiply
    4,919.94x = 6,788.72 × 2,930.46
  4. Step 4: Simplify right side
    4,919.94x = 19,894,072.41
  5. Step 5: Solve for x
    x = 19,894,072.41/4,919.94
  6. Step 6: Final answer
    x = 4,043.56

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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.