Home / 5,676.40-8,517.39-2,558.56

Finding the Fourth Proportional to 5,676.40, 8,517.39 and 2,558.56

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Solution

The fourth proportional to 5,676.40, 8,517.39 and 2,558.56 is: 3,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.40 : 8,517.39 = 2,558.56 : x
  2. Step 2: Convert to fraction form
    5,676.40/8,517.39 = 2,558.56/x
  3. Step 3: Cross multiply
    5,676.40x = 8,517.39 × 2,558.56
  4. Step 4: Simplify right side
    5,676.40x = 21,792,253.36
  5. Step 5: Solve for x
    x = 21,792,253.36/5,676.40
  6. Step 6: Final answer
    x = 3,839.10

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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.