Home / 4,879.79-7,319.42-1,370.03

Finding the Fourth Proportional to 4,879.79, 7,319.42 and 1,370.03

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Solution

The fourth proportional to 4,879.79, 7,319.42 and 1,370.03 is: 2,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.79 : 7,319.42 = 1,370.03 : x
  2. Step 2: Convert to fraction form
    4,879.79/7,319.42 = 1,370.03/x
  3. Step 3: Cross multiply
    4,879.79x = 7,319.42 × 1,370.03
  4. Step 4: Simplify right side
    4,879.79x = 10,027,781.54
  5. Step 5: Solve for x
    x = 10,027,781.54/4,879.79
  6. Step 6: Final answer
    x = 2,054.96

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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.