Home / 4,273.22-6,405.86-2,188.63

Finding the Fourth Proportional to 4,273.22, 6,405.86 and 2,188.63

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Solution

The fourth proportional to 4,273.22, 6,405.86 and 2,188.63 is: 3,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,273.22 : 6,405.86 = 2,188.63 : x
  2. Step 2: Convert to fraction form
    4,273.22/6,405.86 = 2,188.63/x
  3. Step 3: Cross multiply
    4,273.22x = 6,405.86 × 2,188.63
  4. Step 4: Simplify right side
    4,273.22x = 14,020,046.83
  5. Step 5: Solve for x
    x = 14,020,046.83/4,273.22
  6. Step 6: Final answer
    x = 3,280.91

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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.