Home / 4,128.73-6,188.76-1,354.69

Finding the Fourth Proportional to 4,128.73, 6,188.76 and 1,354.69

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Solution

The fourth proportional to 4,128.73, 6,188.76 and 1,354.69 is: 2,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.73 : 6,188.76 = 1,354.69 : x
  2. Step 2: Convert to fraction form
    4,128.73/6,188.76 = 1,354.69/x
  3. Step 3: Cross multiply
    4,128.73x = 6,188.76 × 1,354.69
  4. Step 4: Simplify right side
    4,128.73x = 8,383,851.28
  5. Step 5: Solve for x
    x = 8,383,851.28/4,128.73
  6. Step 6: Final answer
    x = 2,030.61

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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.