Home / 4,219.08-6,296.60-4,120.80

Finding the Fourth Proportional to 4,219.08, 6,296.60 and 4,120.80

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Solution

The fourth proportional to 4,219.08, 6,296.60 and 4,120.80 is: 6,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.08 : 6,296.60 = 4,120.80 : x
  2. Step 2: Convert to fraction form
    4,219.08/6,296.60 = 4,120.80/x
  3. Step 3: Cross multiply
    4,219.08x = 6,296.60 × 4,120.80
  4. Step 4: Simplify right side
    4,219.08x = 25,947,029.28
  5. Step 5: Solve for x
    x = 25,947,029.28/4,219.08
  6. Step 6: Final answer
    x = 6,149.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.