Home / 4,485.87-6,728.82-1,365.90

Finding the Fourth Proportional to 4,485.87, 6,728.82 and 1,365.90

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Solution

The fourth proportional to 4,485.87, 6,728.82 and 1,365.90 is: 2,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.87 : 6,728.82 = 1,365.90 : x
  2. Step 2: Convert to fraction form
    4,485.87/6,728.82 = 1,365.90/x
  3. Step 3: Cross multiply
    4,485.87x = 6,728.82 × 1,365.90
  4. Step 4: Simplify right side
    4,485.87x = 9,190,895.24
  5. Step 5: Solve for x
    x = 9,190,895.24/4,485.87
  6. Step 6: Final answer
    x = 2,048.85

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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.