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Finding the Fourth Proportional to 4,579.53, 6,313.78 and 4,517.56

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Solution

The fourth proportional to 4,579.53, 6,313.78 and 4,517.56 is: 6,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579.53 : 6,313.78 = 4,517.56 : x
  2. Step 2: Convert to fraction form
    4,579.53/6,313.78 = 4,517.56/x
  3. Step 3: Cross multiply
    4,579.53x = 6,313.78 × 4,517.56
  4. Step 4: Simplify right side
    4,579.53x = 28,522,879.98
  5. Step 5: Solve for x
    x = 28,522,879.98/4,579.53
  6. Step 6: Final answer
    x = 6,228.34

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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.