Home / 8,256.28-12,389.22-3,326.36

Finding the Fourth Proportional to 8,256.28, 12,389.22 and 3,326.36

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Solution

The fourth proportional to 8,256.28, 12,389.22 and 3,326.36 is: 4,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.28 : 12,389.22 = 3,326.36 : x
  2. Step 2: Convert to fraction form
    8,256.28/12,389.22 = 3,326.36/x
  3. Step 3: Cross multiply
    8,256.28x = 12,389.22 × 3,326.36
  4. Step 4: Simplify right side
    8,256.28x = 41,211,005.84
  5. Step 5: Solve for x
    x = 41,211,005.84/8,256.28
  6. Step 6: Final answer
    x = 4,991.47

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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.