Home / 4,790.80-7,185.96-1,669.84

Finding the Fourth Proportional to 4,790.80, 7,185.96 and 1,669.84

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Solution

The fourth proportional to 4,790.80, 7,185.96 and 1,669.84 is: 2,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.80 : 7,185.96 = 1,669.84 : x
  2. Step 2: Convert to fraction form
    4,790.80/7,185.96 = 1,669.84/x
  3. Step 3: Cross multiply
    4,790.80x = 7,185.96 × 1,669.84
  4. Step 4: Simplify right side
    4,790.80x = 11,999,403.45
  5. Step 5: Solve for x
    x = 11,999,403.45/4,790.80
  6. Step 6: Final answer
    x = 2,504.68

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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.