Home / 8,265.37-12,399.88-2,718.49

Finding the Fourth Proportional to 8,265.37, 12,399.88 and 2,718.49

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Solution

The fourth proportional to 8,265.37, 12,399.88 and 2,718.49 is: 4,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.37 : 12,399.88 = 2,718.49 : x
  2. Step 2: Convert to fraction form
    8,265.37/12,399.88 = 2,718.49/x
  3. Step 3: Cross multiply
    8,265.37x = 12,399.88 × 2,718.49
  4. Step 4: Simplify right side
    8,265.37x = 33,708,936.19
  5. Step 5: Solve for x
    x = 33,708,936.19/8,265.37
  6. Step 6: Final answer
    x = 4,078.33

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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.