Home / 6,720.54-10,081.52-3,209.96

Finding the Fourth Proportional to 6,720.54, 10,081.52 and 3,209.96

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Solution

The fourth proportional to 6,720.54, 10,081.52 and 3,209.96 is: 4,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.54 : 10,081.52 = 3,209.96 : x
  2. Step 2: Convert to fraction form
    6,720.54/10,081.52 = 3,209.96/x
  3. Step 3: Cross multiply
    6,720.54x = 10,081.52 × 3,209.96
  4. Step 4: Simplify right side
    6,720.54x = 32,361,209.48
  5. Step 5: Solve for x
    x = 32,361,209.48/6,720.54
  6. Step 6: Final answer
    x = 4,815.27

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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.