Home / 4,554.80-6,828.52-1,920.61

Finding the Fourth Proportional to 4,554.80, 6,828.52 and 1,920.61

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Solution

The fourth proportional to 4,554.80, 6,828.52 and 1,920.61 is: 2,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,554.80 : 6,828.52 = 1,920.61 : x
  2. Step 2: Convert to fraction form
    4,554.80/6,828.52 = 1,920.61/x
  3. Step 3: Cross multiply
    4,554.80x = 6,828.52 × 1,920.61
  4. Step 4: Simplify right side
    4,554.80x = 13,114,892.72
  5. Step 5: Solve for x
    x = 13,114,892.72/4,554.80
  6. Step 6: Final answer
    x = 2,879.35

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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.