Home / 4,129.95-6,193.37-1,789.80

Finding the Fourth Proportional to 4,129.95, 6,193.37 and 1,789.80

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Solution

The fourth proportional to 4,129.95, 6,193.37 and 1,789.80 is: 2,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.95 : 6,193.37 = 1,789.80 : x
  2. Step 2: Convert to fraction form
    4,129.95/6,193.37 = 1,789.80/x
  3. Step 3: Cross multiply
    4,129.95x = 6,193.37 × 1,789.80
  4. Step 4: Simplify right side
    4,129.95x = 11,084,884.68
  5. Step 5: Solve for x
    x = 11,084,884.68/4,129.95
  6. Step 6: Final answer
    x = 2,684.02

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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.