Home / 4,262.36-6,389.40-2,183.34

Finding the Fourth Proportional to 4,262.36, 6,389.40 and 2,183.34

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Solution

The fourth proportional to 4,262.36, 6,389.40 and 2,183.34 is: 3,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262.36 : 6,389.40 = 2,183.34 : x
  2. Step 2: Convert to fraction form
    4,262.36/6,389.40 = 2,183.34/x
  3. Step 3: Cross multiply
    4,262.36x = 6,389.40 × 2,183.34
  4. Step 4: Simplify right side
    4,262.36x = 13,950,232.60
  5. Step 5: Solve for x
    x = 13,950,232.60/4,262.36
  6. Step 6: Final answer
    x = 3,272.89

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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.