Home / 6,504.05-9,757.35-2,120.33

Finding the Fourth Proportional to 6,504.05, 9,757.35 and 2,120.33

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Solution

The fourth proportional to 6,504.05, 9,757.35 and 2,120.33 is: 3,180.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,504.05 : 9,757.35 = 2,120.33 : x
  2. Step 2: Convert to fraction form
    6,504.05/9,757.35 = 2,120.33/x
  3. Step 3: Cross multiply
    6,504.05x = 9,757.35 × 2,120.33
  4. Step 4: Simplify right side
    6,504.05x = 20,688,753.14
  5. Step 5: Solve for x
    x = 20,688,753.14/6,504.05
  6. Step 6: Final answer
    x = 3,180.91

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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.