Home / 5,408.36-8,113.62-2,288.36

Finding the Fourth Proportional to 5,408.36, 8,113.62 and 2,288.36

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Solution

The fourth proportional to 5,408.36, 8,113.62 and 2,288.36 is: 3,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.36 : 8,113.62 = 2,288.36 : x
  2. Step 2: Convert to fraction form
    5,408.36/8,113.62 = 2,288.36/x
  3. Step 3: Cross multiply
    5,408.36x = 8,113.62 × 2,288.36
  4. Step 4: Simplify right side
    5,408.36x = 18,566,883.46
  5. Step 5: Solve for x
    x = 18,566,883.46/5,408.36
  6. Step 6: Final answer
    x = 3,433.00

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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.