Home / 4,223.36-5,829.84-3,780.44

Finding the Fourth Proportional to 4,223.36, 5,829.84 and 3,780.44

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Solution

The fourth proportional to 4,223.36, 5,829.84 and 3,780.44 is: 5,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.36 : 5,829.84 = 3,780.44 : x
  2. Step 2: Convert to fraction form
    4,223.36/5,829.84 = 3,780.44/x
  3. Step 3: Cross multiply
    4,223.36x = 5,829.84 × 3,780.44
  4. Step 4: Simplify right side
    4,223.36x = 22,039,360.33
  5. Step 5: Solve for x
    x = 22,039,360.33/4,223.36
  6. Step 6: Final answer
    x = 5,218.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.