Home / 9,268.88-12,791.26-5,289.91

Finding the Fourth Proportional to 9,268.88, 12,791.26 and 5,289.91

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Solution

The fourth proportional to 9,268.88, 12,791.26 and 5,289.91 is: 7,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.88 : 12,791.26 = 5,289.91 : x
  2. Step 2: Convert to fraction form
    9,268.88/12,791.26 = 5,289.91/x
  3. Step 3: Cross multiply
    9,268.88x = 12,791.26 × 5,289.91
  4. Step 4: Simplify right side
    9,268.88x = 67,664,600.96
  5. Step 5: Solve for x
    x = 67,664,600.96/9,268.88
  6. Step 6: Final answer
    x = 7,300.19

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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.