Home / 6,216.20-8,579.16-3,564.56

Finding the Fourth Proportional to 6,216.20, 8,579.16 and 3,564.56

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Solution

The fourth proportional to 6,216.20, 8,579.16 and 3,564.56 is: 4,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.20 : 8,579.16 = 3,564.56 : x
  2. Step 2: Convert to fraction form
    6,216.20/8,579.16 = 3,564.56/x
  3. Step 3: Cross multiply
    6,216.20x = 8,579.16 × 3,564.56
  4. Step 4: Simplify right side
    6,216.20x = 30,580,930.57
  5. Step 5: Solve for x
    x = 30,580,930.57/6,216.20
  6. Step 6: Final answer
    x = 4,919.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.