Home / 4,879.19-7,320.14-1,591.88

Finding the Fourth Proportional to 4,879.19, 7,320.14 and 1,591.88

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Solution

The fourth proportional to 4,879.19, 7,320.14 and 1,591.88 is: 2,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.19 : 7,320.14 = 1,591.88 : x
  2. Step 2: Convert to fraction form
    4,879.19/7,320.14 = 1,591.88/x
  3. Step 3: Cross multiply
    4,879.19x = 7,320.14 × 1,591.88
  4. Step 4: Simplify right side
    4,879.19x = 11,652,739.90
  5. Step 5: Solve for x
    x = 11,652,739.90/4,879.19
  6. Step 6: Final answer
    x = 2,388.26

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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.