Home / 5,409.36-8,110.80-2,288.88

Finding the Fourth Proportional to 5,409.36, 8,110.80 and 2,288.88

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Solution

The fourth proportional to 5,409.36, 8,110.80 and 2,288.88 is: 3,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.36 : 8,110.80 = 2,288.88 : x
  2. Step 2: Convert to fraction form
    5,409.36/8,110.80 = 2,288.88/x
  3. Step 3: Cross multiply
    5,409.36x = 8,110.80 × 2,288.88
  4. Step 4: Simplify right side
    5,409.36x = 18,564,647.90
  5. Step 5: Solve for x
    x = 18,564,647.90/5,409.36
  6. Step 6: Final answer
    x = 3,431.95

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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.