Home / 4,400.33-6,600.83-1,280.37

Finding the Fourth Proportional to 4,400.33, 6,600.83 and 1,280.37

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Solution

The fourth proportional to 4,400.33, 6,600.83 and 1,280.37 is: 1,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.33 : 6,600.83 = 1,280.37 : x
  2. Step 2: Convert to fraction form
    4,400.33/6,600.83 = 1,280.37/x
  3. Step 3: Cross multiply
    4,400.33x = 6,600.83 × 1,280.37
  4. Step 4: Simplify right side
    4,400.33x = 8,451,533.86
  5. Step 5: Solve for x
    x = 8,451,533.86/4,400.33
  6. Step 6: Final answer
    x = 1,920.66

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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.