Home / 4,267.22-6,403.19-1,636.47

Finding the Fourth Proportional to 4,267.22, 6,403.19 and 1,636.47

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Solution

The fourth proportional to 4,267.22, 6,403.19 and 1,636.47 is: 2,455.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.22 : 6,403.19 = 1,636.47 : x
  2. Step 2: Convert to fraction form
    4,267.22/6,403.19 = 1,636.47/x
  3. Step 3: Cross multiply
    4,267.22x = 6,403.19 × 1,636.47
  4. Step 4: Simplify right side
    4,267.22x = 10,478,620.16
  5. Step 5: Solve for x
    x = 10,478,620.16/4,267.22
  6. Step 6: Final answer
    x = 2,455.61

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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.