Home / 5,409.63-8,110.80-3,333.60

Finding the Fourth Proportional to 5,409.63, 8,110.80 and 3,333.60

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Solution

The fourth proportional to 5,409.63, 8,110.80 and 3,333.60 is: 4,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.63 : 8,110.80 = 3,333.60 : x
  2. Step 2: Convert to fraction form
    5,409.63/8,110.80 = 3,333.60/x
  3. Step 3: Cross multiply
    5,409.63x = 8,110.80 × 3,333.60
  4. Step 4: Simplify right side
    5,409.63x = 27,038,162.88
  5. Step 5: Solve for x
    x = 27,038,162.88/5,409.63
  6. Step 6: Final answer
    x = 4,998.15

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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.