Home / 5,268.96-7,271.07-2,911.26

Finding the Fourth Proportional to 5,268.96, 7,271.07 and 2,911.26

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Solution

The fourth proportional to 5,268.96, 7,271.07 and 2,911.26 is: 4,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.96 : 7,271.07 = 2,911.26 : x
  2. Step 2: Convert to fraction form
    5,268.96/7,271.07 = 2,911.26/x
  3. Step 3: Cross multiply
    5,268.96x = 7,271.07 × 2,911.26
  4. Step 4: Simplify right side
    5,268.96x = 21,167,975.25
  5. Step 5: Solve for x
    x = 21,167,975.25/5,268.96
  6. Step 6: Final answer
    x = 4,017.49

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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.