Home / 6,289.28-9,433.88-3,213.44

Finding the Fourth Proportional to 6,289.28, 9,433.88 and 3,213.44

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Solution

The fourth proportional to 6,289.28, 9,433.88 and 3,213.44 is: 4,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.28 : 9,433.88 = 3,213.44 : x
  2. Step 2: Convert to fraction form
    6,289.28/9,433.88 = 3,213.44/x
  3. Step 3: Cross multiply
    6,289.28x = 9,433.88 × 3,213.44
  4. Step 4: Simplify right side
    6,289.28x = 30,315,207.35
  5. Step 5: Solve for x
    x = 30,315,207.35/6,289.28
  6. Step 6: Final answer
    x = 4,820.14

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1.5x scale

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.