Home / 8,268.03-12,393.81-3,336.21

Finding the Fourth Proportional to 8,268.03, 12,393.81 and 3,336.21

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Solution

The fourth proportional to 8,268.03, 12,393.81 and 3,336.21 is: 5,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268.03 : 12,393.81 = 3,336.21 : x
  2. Step 2: Convert to fraction form
    8,268.03/12,393.81 = 3,336.21/x
  3. Step 3: Cross multiply
    8,268.03x = 12,393.81 × 3,336.21
  4. Step 4: Simplify right side
    8,268.03x = 41,348,352.86
  5. Step 5: Solve for x
    x = 41,348,352.86/8,268.03
  6. Step 6: Final answer
    x = 5,000.99

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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.