Home / 8,688.36-13,033.62-2,845.56

Finding the Fourth Proportional to 8,688.36, 13,033.62 and 2,845.56

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Solution

The fourth proportional to 8,688.36, 13,033.62 and 2,845.56 is: 4,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.36 : 13,033.62 = 2,845.56 : x
  2. Step 2: Convert to fraction form
    8,688.36/13,033.62 = 2,845.56/x
  3. Step 3: Cross multiply
    8,688.36x = 13,033.62 × 2,845.56
  4. Step 4: Simplify right side
    8,688.36x = 37,087,947.73
  5. Step 5: Solve for x
    x = 37,087,947.73/8,688.36
  6. Step 6: Final answer
    x = 4,268.69

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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.