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Finding the Fourth Proportional to 5,694.36, 7,858.80 and 3,597

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Solution

The fourth proportional to 5,694.36, 7,858.80 and 3,597 is: 4,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.36 : 7,858.80 = 3,597 : x
  2. Step 2: Convert to fraction form
    5,694.36/7,858.80 = 3,597/x
  3. Step 3: Cross multiply
    5,694.36x = 7,858.80 × 3,597
  4. Step 4: Simplify right side
    5,694.36x = 28,268,103.60
  5. Step 5: Solve for x
    x = 28,268,103.60/5,694.36
  6. Step 6: Final answer
    x = 4,964.23

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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.