Home / 8,403.44-12,600.42-3,467.60

Finding the Fourth Proportional to 8,403.44, 12,600.42 and 3,467.60

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Solution

The fourth proportional to 8,403.44, 12,600.42 and 3,467.60 is: 5,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,403.44 : 12,600.42 = 3,467.60 : x
  2. Step 2: Convert to fraction form
    8,403.44/12,600.42 = 3,467.60/x
  3. Step 3: Cross multiply
    8,403.44x = 12,600.42 × 3,467.60
  4. Step 4: Simplify right side
    8,403.44x = 43,693,216.39
  5. Step 5: Solve for x
    x = 43,693,216.39/8,403.44
  6. Step 6: Final answer
    x = 5,199.44

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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.