Home / 4,082.80-6,120.60-1,485.24

Finding the Fourth Proportional to 4,082.80, 6,120.60 and 1,485.24

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Solution

The fourth proportional to 4,082.80, 6,120.60 and 1,485.24 is: 2,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.80 : 6,120.60 = 1,485.24 : x
  2. Step 2: Convert to fraction form
    4,082.80/6,120.60 = 1,485.24/x
  3. Step 3: Cross multiply
    4,082.80x = 6,120.60 × 1,485.24
  4. Step 4: Simplify right side
    4,082.80x = 9,090,559.94
  5. Step 5: Solve for x
    x = 9,090,559.94/4,082.80
  6. Step 6: Final answer
    x = 2,226.55

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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.