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Finding the Fourth Proportional to 7,477.44, 11,201.48 and 4,548.48

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Solution

The fourth proportional to 7,477.44, 11,201.48 and 4,548.48 is: 6,813.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.44 : 11,201.48 = 4,548.48 : x
  2. Step 2: Convert to fraction form
    7,477.44/11,201.48 = 4,548.48/x
  3. Step 3: Cross multiply
    7,477.44x = 11,201.48 × 4,548.48
  4. Step 4: Simplify right side
    7,477.44x = 50,949,707.75
  5. Step 5: Solve for x
    x = 50,949,707.75/7,477.44
  6. Step 6: Final answer
    x = 6,813.79

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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.