Home / 8,845.75-13,268.67-2,689.75

Finding the Fourth Proportional to 8,845.75, 13,268.67 and 2,689.75

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Solution

The fourth proportional to 8,845.75, 13,268.67 and 2,689.75 is: 4,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.75 : 13,268.67 = 2,689.75 : x
  2. Step 2: Convert to fraction form
    8,845.75/13,268.67 = 2,689.75/x
  3. Step 3: Cross multiply
    8,845.75x = 13,268.67 × 2,689.75
  4. Step 4: Simplify right side
    8,845.75x = 35,689,405.13
  5. Step 5: Solve for x
    x = 35,689,405.13/8,845.75
  6. Step 6: Final answer
    x = 4,034.64

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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.