Home / 8,858.25-13,289.13-2,618.37

Finding the Fourth Proportional to 8,858.25, 13,289.13 and 2,618.37

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Solution

The fourth proportional to 8,858.25, 13,289.13 and 2,618.37 is: 3,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.25 : 13,289.13 = 2,618.37 : x
  2. Step 2: Convert to fraction form
    8,858.25/13,289.13 = 2,618.37/x
  3. Step 3: Cross multiply
    8,858.25x = 13,289.13 × 2,618.37
  4. Step 4: Simplify right side
    8,858.25x = 34,795,859.32
  5. Step 5: Solve for x
    x = 34,795,859.32/8,858.25
  6. Step 6: Final answer
    x = 3,928.07

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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.