Home / 4,745.95-7,120.44-2,280.94

Finding the Fourth Proportional to 4,745.95, 7,120.44 and 2,280.94

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Solution

The fourth proportional to 4,745.95, 7,120.44 and 2,280.94 is: 3,422.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.95 : 7,120.44 = 2,280.94 : x
  2. Step 2: Convert to fraction form
    4,745.95/7,120.44 = 2,280.94/x
  3. Step 3: Cross multiply
    4,745.95x = 7,120.44 × 2,280.94
  4. Step 4: Simplify right side
    4,745.95x = 16,241,296.41
  5. Step 5: Solve for x
    x = 16,241,296.41/4,745.95
  6. Step 6: Final answer
    x = 3,422.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.