Home / 4,554.33-6,826-1,920.81

Finding the Fourth Proportional to 4,554.33, 6,826 and 1,920.81

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Solution

The fourth proportional to 4,554.33, 6,826 and 1,920.81 is: 2,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.33 : 6,826 = 1,920.81 : x
  2. Step 2: Convert to fraction form
    4,554.33/6,826 = 1,920.81/x
  3. Step 3: Cross multiply
    4,554.33x = 6,826 × 1,920.81
  4. Step 4: Simplify right side
    4,554.33x = 13,111,449.06
  5. Step 5: Solve for x
    x = 13,111,449.06/4,554.33
  6. Step 6: Final answer
    x = 2,878.90

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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.