Home / 5,343.32-8,018.42-2,879.85

Finding the Fourth Proportional to 5,343.32, 8,018.42 and 2,879.85

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Solution

The fourth proportional to 5,343.32, 8,018.42 and 2,879.85 is: 4,321.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.32 : 8,018.42 = 2,879.85 : x
  2. Step 2: Convert to fraction form
    5,343.32/8,018.42 = 2,879.85/x
  3. Step 3: Cross multiply
    5,343.32x = 8,018.42 × 2,879.85
  4. Step 4: Simplify right side
    5,343.32x = 23,091,870.61
  5. Step 5: Solve for x
    x = 23,091,870.61/5,343.32
  6. Step 6: Final answer
    x = 4,321.64

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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.