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Finding the Fourth Proportional to 5,573.73, 7,694.21 and 3,559.78

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Solution

The fourth proportional to 5,573.73, 7,694.21 and 3,559.78 is: 4,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.73 : 7,694.21 = 3,559.78 : x
  2. Step 2: Convert to fraction form
    5,573.73/7,694.21 = 3,559.78/x
  3. Step 3: Cross multiply
    5,573.73x = 7,694.21 × 3,559.78
  4. Step 4: Simplify right side
    5,573.73x = 27,389,694.87
  5. Step 5: Solve for x
    x = 27,389,694.87/5,573.73
  6. Step 6: Final answer
    x = 4,914.07

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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.