Home / 5,394.41-8,076.61-2,756.21

Finding the Fourth Proportional to 5,394.41, 8,076.61 and 2,756.21

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Solution

The fourth proportional to 5,394.41, 8,076.61 and 2,756.21 is: 4,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.41 : 8,076.61 = 2,756.21 : x
  2. Step 2: Convert to fraction form
    5,394.41/8,076.61 = 2,756.21/x
  3. Step 3: Cross multiply
    5,394.41x = 8,076.61 × 2,756.21
  4. Step 4: Simplify right side
    5,394.41x = 22,260,846.55
  5. Step 5: Solve for x
    x = 22,260,846.55/5,394.41
  6. Step 6: Final answer
    x = 4,126.65

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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.