Home / 5,268.44-7,269.80-2,910.60

Finding the Fourth Proportional to 5,268.44, 7,269.80 and 2,910.60

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Solution

The fourth proportional to 5,268.44, 7,269.80 and 2,910.60 is: 4,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.44 : 7,269.80 = 2,910.60 : x
  2. Step 2: Convert to fraction form
    5,268.44/7,269.80 = 2,910.60/x
  3. Step 3: Cross multiply
    5,268.44x = 7,269.80 × 2,910.60
  4. Step 4: Simplify right side
    5,268.44x = 21,159,479.88
  5. Step 5: Solve for x
    x = 21,159,479.88/5,268.44
  6. Step 6: Final answer
    x = 4,016.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.