Home / 4,259.80-6,381.19-3,383.78

Finding the Fourth Proportional to 4,259.80, 6,381.19 and 3,383.78

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Solution

The fourth proportional to 4,259.80, 6,381.19 and 3,383.78 is: 5,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.80 : 6,381.19 = 3,383.78 : x
  2. Step 2: Convert to fraction form
    4,259.80/6,381.19 = 3,383.78/x
  3. Step 3: Cross multiply
    4,259.80x = 6,381.19 × 3,383.78
  4. Step 4: Simplify right side
    4,259.80x = 21,592,550.59
  5. Step 5: Solve for x
    x = 21,592,550.59/4,259.80
  6. Step 6: Final answer
    x = 5,068.91

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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.