Home / 5,388.28-8,077.84-2,883.88

Finding the Fourth Proportional to 5,388.28, 8,077.84 and 2,883.88

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Solution

The fourth proportional to 5,388.28, 8,077.84 and 2,883.88 is: 4,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.28 : 8,077.84 = 2,883.88 : x
  2. Step 2: Convert to fraction form
    5,388.28/8,077.84 = 2,883.88/x
  3. Step 3: Cross multiply
    5,388.28x = 8,077.84 × 2,883.88
  4. Step 4: Simplify right side
    5,388.28x = 23,295,521.22
  5. Step 5: Solve for x
    x = 23,295,521.22/5,388.28
  6. Step 6: Final answer
    x = 4,323.37

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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.