Home / 8,403.26-12,600.12-3,468.80

Finding the Fourth Proportional to 8,403.26, 12,600.12 and 3,468.80

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Solution

The fourth proportional to 8,403.26, 12,600.12 and 3,468.80 is: 5,201.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.26 : 12,600.12 = 3,468.80 : x
  2. Step 2: Convert to fraction form
    8,403.26/12,600.12 = 3,468.80/x
  3. Step 3: Cross multiply
    8,403.26x = 12,600.12 × 3,468.80
  4. Step 4: Simplify right side
    8,403.26x = 43,707,296.26
  5. Step 5: Solve for x
    x = 43,707,296.26/8,403.26
  6. Step 6: Final answer
    x = 5,201.23

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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.