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Finding the Fourth Proportional to 5,694.08, 8,540.40 and 1,798.40

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Solution

The fourth proportional to 5,694.08, 8,540.40 and 1,798.40 is: 2,697.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.08 : 8,540.40 = 1,798.40 : x
  2. Step 2: Convert to fraction form
    5,694.08/8,540.40 = 1,798.40/x
  3. Step 3: Cross multiply
    5,694.08x = 8,540.40 × 1,798.40
  4. Step 4: Simplify right side
    5,694.08x = 15,359,055.36
  5. Step 5: Solve for x
    x = 15,359,055.36/5,694.08
  6. Step 6: Final answer
    x = 2,697.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.