Home / 8,259.44-12,389.56-3,328.41

Finding the Fourth Proportional to 8,259.44, 12,389.56 and 3,328.41

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Solution

The fourth proportional to 8,259.44, 12,389.56 and 3,328.41 is: 4,992.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.44 : 12,389.56 = 3,328.41 : x
  2. Step 2: Convert to fraction form
    8,259.44/12,389.56 = 3,328.41/x
  3. Step 3: Cross multiply
    8,259.44x = 12,389.56 × 3,328.41
  4. Step 4: Simplify right side
    8,259.44x = 41,237,535.40
  5. Step 5: Solve for x
    x = 41,237,535.40/8,259.44
  6. Step 6: Final answer
    x = 4,992.78

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1.5x scale

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.