Home / 4,287.48-6,419.94-3,450.09

Finding the Fourth Proportional to 4,287.48, 6,419.94 and 3,450.09

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Solution

The fourth proportional to 4,287.48, 6,419.94 and 3,450.09 is: 5,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.48 : 6,419.94 = 3,450.09 : x
  2. Step 2: Convert to fraction form
    4,287.48/6,419.94 = 3,450.09/x
  3. Step 3: Cross multiply
    4,287.48x = 6,419.94 × 3,450.09
  4. Step 4: Simplify right side
    4,287.48x = 22,149,370.79
  5. Step 5: Solve for x
    x = 22,149,370.79/4,287.48
  6. Step 6: Final answer
    x = 5,166.06

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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.