Home / 4,890.44-6,745.76-2,899.60

Finding the Fourth Proportional to 4,890.44, 6,745.76 and 2,899.60

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Solution

The fourth proportional to 4,890.44, 6,745.76 and 2,899.60 is: 3,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.44 : 6,745.76 = 2,899.60 : x
  2. Step 2: Convert to fraction form
    4,890.44/6,745.76 = 2,899.60/x
  3. Step 3: Cross multiply
    4,890.44x = 6,745.76 × 2,899.60
  4. Step 4: Simplify right side
    4,890.44x = 19,560,005.70
  5. Step 5: Solve for x
    x = 19,560,005.70/4,890.44
  6. Step 6: Final answer
    x = 3,999.64

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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.