Home / 4,188.34-6,278.26-2,629.43

Finding the Fourth Proportional to 4,188.34, 6,278.26 and 2,629.43

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Solution

The fourth proportional to 4,188.34, 6,278.26 and 2,629.43 is: 3,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.34 : 6,278.26 = 2,629.43 : x
  2. Step 2: Convert to fraction form
    4,188.34/6,278.26 = 2,629.43/x
  3. Step 3: Cross multiply
    4,188.34x = 6,278.26 × 2,629.43
  4. Step 4: Simplify right side
    4,188.34x = 16,508,245.19
  5. Step 5: Solve for x
    x = 16,508,245.19/4,188.34
  6. Step 6: Final answer
    x = 3,941.48

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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.