Home / 8,558.25-12,837.84-2,715.33

Finding the Fourth Proportional to 8,558.25, 12,837.84 and 2,715.33

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Solution

The fourth proportional to 8,558.25, 12,837.84 and 2,715.33 is: 4,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.25 : 12,837.84 = 2,715.33 : x
  2. Step 2: Convert to fraction form
    8,558.25/12,837.84 = 2,715.33/x
  3. Step 3: Cross multiply
    8,558.25x = 12,837.84 × 2,715.33
  4. Step 4: Simplify right side
    8,558.25x = 34,858,972.09
  5. Step 5: Solve for x
    x = 34,858,972.09/8,558.25
  6. Step 6: Final answer
    x = 4,073.14

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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.