Home / 4,268.80-6,404.04-1,803.60

Finding the Fourth Proportional to 4,268.80, 6,404.04 and 1,803.60

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Solution

The fourth proportional to 4,268.80, 6,404.04 and 1,803.60 is: 2,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.80 : 6,404.04 = 1,803.60 : x
  2. Step 2: Convert to fraction form
    4,268.80/6,404.04 = 1,803.60/x
  3. Step 3: Cross multiply
    4,268.80x = 6,404.04 × 1,803.60
  4. Step 4: Simplify right side
    4,268.80x = 11,550,326.54
  5. Step 5: Solve for x
    x = 11,550,326.54/4,268.80
  6. Step 6: Final answer
    x = 2,705.75

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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.