Home / 4,986.96-7,464.65-2,789.03

Finding the Fourth Proportional to 4,986.96, 7,464.65 and 2,789.03

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Solution

The fourth proportional to 4,986.96, 7,464.65 and 2,789.03 is: 4,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.96 : 7,464.65 = 2,789.03 : x
  2. Step 2: Convert to fraction form
    4,986.96/7,464.65 = 2,789.03/x
  3. Step 3: Cross multiply
    4,986.96x = 7,464.65 × 2,789.03
  4. Step 4: Simplify right side
    4,986.96x = 20,819,081.52
  5. Step 5: Solve for x
    x = 20,819,081.52/4,986.96
  6. Step 6: Final answer
    x = 4,174.70

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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.