Home / 5,693.78-8,540.70-3,378.26

Finding the Fourth Proportional to 5,693.78, 8,540.70 and 3,378.26

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Solution

The fourth proportional to 5,693.78, 8,540.70 and 3,378.26 is: 5,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,693.78 : 8,540.70 = 3,378.26 : x
  2. Step 2: Convert to fraction form
    5,693.78/8,540.70 = 3,378.26/x
  3. Step 3: Cross multiply
    5,693.78x = 8,540.70 × 3,378.26
  4. Step 4: Simplify right side
    5,693.78x = 28,852,705.18
  5. Step 5: Solve for x
    x = 28,852,705.18/5,693.78
  6. Step 6: Final answer
    x = 5,067.41

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1.5x scale

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.