Home / 6,214.20-9,313.68-3,290.64

Finding the Fourth Proportional to 6,214.20, 9,313.68 and 3,290.64

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Solution

The fourth proportional to 6,214.20, 9,313.68 and 3,290.64 is: 4,931.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.20 : 9,313.68 = 3,290.64 : x
  2. Step 2: Convert to fraction form
    6,214.20/9,313.68 = 3,290.64/x
  3. Step 3: Cross multiply
    6,214.20x = 9,313.68 × 3,290.64
  4. Step 4: Simplify right side
    6,214.20x = 30,647,967.96
  5. Step 5: Solve for x
    x = 30,647,967.96/6,214.20
  6. Step 6: Final answer
    x = 4,931.92

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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.