Home / 4,219.86-6,329.60-2,833.78

Finding the Fourth Proportional to 4,219.86, 6,329.60 and 2,833.78

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Solution

The fourth proportional to 4,219.86, 6,329.60 and 2,833.78 is: 4,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.86 : 6,329.60 = 2,833.78 : x
  2. Step 2: Convert to fraction form
    4,219.86/6,329.60 = 2,833.78/x
  3. Step 3: Cross multiply
    4,219.86x = 6,329.60 × 2,833.78
  4. Step 4: Simplify right side
    4,219.86x = 17,936,693.89
  5. Step 5: Solve for x
    x = 17,936,693.89/4,219.86
  6. Step 6: Final answer
    x = 4,250.54

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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.