Home / 4,202.10-6,289.80-2,793.72

Finding the Fourth Proportional to 4,202.10, 6,289.80 and 2,793.72

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Solution

The fourth proportional to 4,202.10, 6,289.80 and 2,793.72 is: 4,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.10 : 6,289.80 = 2,793.72 : x
  2. Step 2: Convert to fraction form
    4,202.10/6,289.80 = 2,793.72/x
  3. Step 3: Cross multiply
    4,202.10x = 6,289.80 × 2,793.72
  4. Step 4: Simplify right side
    4,202.10x = 17,571,940.06
  5. Step 5: Solve for x
    x = 17,571,940.06/4,202.10
  6. Step 6: Final answer
    x = 4,181.70

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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.