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Finding the Fourth Proportional to 4,454.48, 6,141.48 and 3,054.80

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Solution

The fourth proportional to 4,454.48, 6,141.48 and 3,054.80 is: 4,211.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.48 : 6,141.48 = 3,054.80 : x
  2. Step 2: Convert to fraction form
    4,454.48/6,141.48 = 3,054.80/x
  3. Step 3: Cross multiply
    4,454.48x = 6,141.48 × 3,054.80
  4. Step 4: Simplify right side
    4,454.48x = 18,760,993.10
  5. Step 5: Solve for x
    x = 18,760,993.10/4,454.48
  6. Step 6: Final answer
    x = 4,211.71

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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.