Home / 4,990.23-6,884.60-2,893.95

Finding the Fourth Proportional to 4,990.23, 6,884.60 and 2,893.95

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Solution

The fourth proportional to 4,990.23, 6,884.60 and 2,893.95 is: 3,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.23 : 6,884.60 = 2,893.95 : x
  2. Step 2: Convert to fraction form
    4,990.23/6,884.60 = 2,893.95/x
  3. Step 3: Cross multiply
    4,990.23x = 6,884.60 × 2,893.95
  4. Step 4: Simplify right side
    4,990.23x = 19,923,673.70
  5. Step 5: Solve for x
    x = 19,923,673.70/4,990.23
  6. Step 6: Final answer
    x = 3,992.54

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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.