Home / 8,922.40-13,382.24-3,378.36

Finding the Fourth Proportional to 8,922.40, 13,382.24 and 3,378.36

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Solution

The fourth proportional to 8,922.40, 13,382.24 and 3,378.36 is: 5,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.40 : 13,382.24 = 3,378.36 : x
  2. Step 2: Convert to fraction form
    8,922.40/13,382.24 = 3,378.36/x
  3. Step 3: Cross multiply
    8,922.40x = 13,382.24 × 3,378.36
  4. Step 4: Simplify right side
    8,922.40x = 45,210,024.33
  5. Step 5: Solve for x
    x = 45,210,024.33/8,922.40
  6. Step 6: Final answer
    x = 5,067.03

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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.