Home / 4,202.75-6,305.07-1,281.29

Finding the Fourth Proportional to 4,202.75, 6,305.07 and 1,281.29

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Solution

The fourth proportional to 4,202.75, 6,305.07 and 1,281.29 is: 1,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.75 : 6,305.07 = 1,281.29 : x
  2. Step 2: Convert to fraction form
    4,202.75/6,305.07 = 1,281.29/x
  3. Step 3: Cross multiply
    4,202.75x = 6,305.07 × 1,281.29
  4. Step 4: Simplify right side
    4,202.75x = 8,078,623.14
  5. Step 5: Solve for x
    x = 8,078,623.14/4,202.75
  6. Step 6: Final answer
    x = 1,922.22

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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.