Home / 5,268.21-7,270.19-2,910.35

Finding the Fourth Proportional to 5,268.21, 7,270.19 and 2,910.35

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Solution

The fourth proportional to 5,268.21, 7,270.19 and 2,910.35 is: 4,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.21 : 7,270.19 = 2,910.35 : x
  2. Step 2: Convert to fraction form
    5,268.21/7,270.19 = 2,910.35/x
  3. Step 3: Cross multiply
    5,268.21x = 7,270.19 × 2,910.35
  4. Step 4: Simplify right side
    5,268.21x = 21,158,782.91
  5. Step 5: Solve for x
    x = 21,158,782.91/5,268.21
  6. Step 6: Final answer
    x = 4,016.31

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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.