Home / 8,986.27-13,485.70-3,721.37

Finding the Fourth Proportional to 8,986.27, 13,485.70 and 3,721.37

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Solution

The fourth proportional to 8,986.27, 13,485.70 and 3,721.37 is: 5,584.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.27 : 13,485.70 = 3,721.37 : x
  2. Step 2: Convert to fraction form
    8,986.27/13,485.70 = 3,721.37/x
  3. Step 3: Cross multiply
    8,986.27x = 13,485.70 × 3,721.37
  4. Step 4: Simplify right side
    8,986.27x = 50,185,292.49
  5. Step 5: Solve for x
    x = 50,185,292.49/8,986.27
  6. Step 6: Final answer
    x = 5,584.66

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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.