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Finding the Fourth Proportional to 5,604.54, 7,736.31 and 4,554.78

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Solution

The fourth proportional to 5,604.54, 7,736.31 and 4,554.78 is: 6,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.54 : 7,736.31 = 4,554.78 : x
  2. Step 2: Convert to fraction form
    5,604.54/7,736.31 = 4,554.78/x
  3. Step 3: Cross multiply
    5,604.54x = 7,736.31 × 4,554.78
  4. Step 4: Simplify right side
    5,604.54x = 35,237,190.06
  5. Step 5: Solve for x
    x = 35,237,190.06/5,604.54
  6. Step 6: Final answer
    x = 6,287.26

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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.