Home / 4,745.83-7,120.27-2,280.83

Finding the Fourth Proportional to 4,745.83, 7,120.27 and 2,280.83

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Solution

The fourth proportional to 4,745.83, 7,120.27 and 2,280.83 is: 3,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.83 : 7,120.27 = 2,280.83 : x
  2. Step 2: Convert to fraction form
    4,745.83/7,120.27 = 2,280.83/x
  3. Step 3: Cross multiply
    4,745.83x = 7,120.27 × 2,280.83
  4. Step 4: Simplify right side
    4,745.83x = 16,240,101.92
  5. Step 5: Solve for x
    x = 16,240,101.92/4,745.83
  6. Step 6: Final answer
    x = 3,421.97

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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.