Home / 6,205.10-9,313.81-2,920.50

Finding the Fourth Proportional to 6,205.10, 9,313.81 and 2,920.50

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Solution

The fourth proportional to 6,205.10, 9,313.81 and 2,920.50 is: 4,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,205.10 : 9,313.81 = 2,920.50 : x
  2. Step 2: Convert to fraction form
    6,205.10/9,313.81 = 2,920.50/x
  3. Step 3: Cross multiply
    6,205.10x = 9,313.81 × 2,920.50
  4. Step 4: Simplify right side
    6,205.10x = 27,200,974.80
  5. Step 5: Solve for x
    x = 27,200,974.80/6,205.10
  6. Step 6: Final answer
    x = 4,383.65

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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.