Home / 9,190.40-13,791.27-4,259.12

Finding the Fourth Proportional to 9,190.40, 13,791.27 and 4,259.12

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Solution

The fourth proportional to 9,190.40, 13,791.27 and 4,259.12 is: 6,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.40 : 13,791.27 = 4,259.12 : x
  2. Step 2: Convert to fraction form
    9,190.40/13,791.27 = 4,259.12/x
  3. Step 3: Cross multiply
    9,190.40x = 13,791.27 × 4,259.12
  4. Step 4: Simplify right side
    9,190.40x = 58,738,673.88
  5. Step 5: Solve for x
    x = 58,738,673.88/9,190.40
  6. Step 6: Final answer
    x = 6,391.31

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1.5x scale

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.