Home / 4,435.30-6,121.17-2,821.33

Finding the Fourth Proportional to 4,435.30, 6,121.17 and 2,821.33

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Solution

The fourth proportional to 4,435.30, 6,121.17 and 2,821.33 is: 3,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.30 : 6,121.17 = 2,821.33 : x
  2. Step 2: Convert to fraction form
    4,435.30/6,121.17 = 2,821.33/x
  3. Step 3: Cross multiply
    4,435.30x = 6,121.17 × 2,821.33
  4. Step 4: Simplify right side
    4,435.30x = 17,269,795.84
  5. Step 5: Solve for x
    x = 17,269,795.84/4,435.30
  6. Step 6: Final answer
    x = 3,893.72

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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.