Home / 5,410.36-8,112.30-2,289.88

Finding the Fourth Proportional to 5,410.36, 8,112.30 and 2,289.88

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Solution

The fourth proportional to 5,410.36, 8,112.30 and 2,289.88 is: 3,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.36 : 8,112.30 = 2,289.88 : x
  2. Step 2: Convert to fraction form
    5,410.36/8,112.30 = 2,289.88/x
  3. Step 3: Cross multiply
    5,410.36x = 8,112.30 × 2,289.88
  4. Step 4: Simplify right side
    5,410.36x = 18,576,193.52
  5. Step 5: Solve for x
    x = 18,576,193.52/5,410.36
  6. Step 6: Final answer
    x = 3,433.45

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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.