Home / 5,693.60-8,540.82-2,185.28

Finding the Fourth Proportional to 5,693.60, 8,540.82 and 2,185.28

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Solution

The fourth proportional to 5,693.60, 8,540.82 and 2,185.28 is: 3,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.60 : 8,540.82 = 2,185.28 : x
  2. Step 2: Convert to fraction form
    5,693.60/8,540.82 = 2,185.28/x
  3. Step 3: Cross multiply
    5,693.60x = 8,540.82 × 2,185.28
  4. Step 4: Simplify right side
    5,693.60x = 18,664,040.43
  5. Step 5: Solve for x
    x = 18,664,040.43/5,693.60
  6. Step 6: Final answer
    x = 3,278.08

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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.