Home / 4,986.35-7,485.60-2,519.90

Finding the Fourth Proportional to 4,986.35, 7,485.60 and 2,519.90

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Solution

The fourth proportional to 4,986.35, 7,485.60 and 2,519.90 is: 3,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.35 : 7,485.60 = 2,519.90 : x
  2. Step 2: Convert to fraction form
    4,986.35/7,485.60 = 2,519.90/x
  3. Step 3: Cross multiply
    4,986.35x = 7,485.60 × 2,519.90
  4. Step 4: Simplify right side
    4,986.35x = 18,862,963.44
  5. Step 5: Solve for x
    x = 18,862,963.44/4,986.35
  6. Step 6: Final answer
    x = 3,782.92

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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.