Home / 4,890.44-6,745.02-3,315.80

Finding the Fourth Proportional to 4,890.44, 6,745.02 and 3,315.80

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Solution

The fourth proportional to 4,890.44, 6,745.02 and 3,315.80 is: 4,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.44 : 6,745.02 = 3,315.80 : x
  2. Step 2: Convert to fraction form
    4,890.44/6,745.02 = 3,315.80/x
  3. Step 3: Cross multiply
    4,890.44x = 6,745.02 × 3,315.80
  4. Step 4: Simplify right side
    4,890.44x = 22,365,137.32
  5. Step 5: Solve for x
    x = 22,365,137.32/4,890.44
  6. Step 6: Final answer
    x = 4,573.24

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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.