Home / 8,745.08-13,112.80-5,974.88

Finding the Fourth Proportional to 8,745.08, 13,112.80 and 5,974.88

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Solution

The fourth proportional to 8,745.08, 13,112.80 and 5,974.88 is: 8,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.08 : 13,112.80 = 5,974.88 : x
  2. Step 2: Convert to fraction form
    8,745.08/13,112.80 = 5,974.88/x
  3. Step 3: Cross multiply
    8,745.08x = 13,112.80 × 5,974.88
  4. Step 4: Simplify right side
    8,745.08x = 78,347,359.57
  5. Step 5: Solve for x
    x = 78,347,359.57/8,745.08
  6. Step 6: Final answer
    x = 8,959.03

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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.