Home / 5,676.44-8,515.67-1,977.57

Finding the Fourth Proportional to 5,676.44, 8,515.67 and 1,977.57

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Solution

The fourth proportional to 5,676.44, 8,515.67 and 1,977.57 is: 2,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.44 : 8,515.67 = 1,977.57 : x
  2. Step 2: Convert to fraction form
    5,676.44/8,515.67 = 1,977.57/x
  3. Step 3: Cross multiply
    5,676.44x = 8,515.67 × 1,977.57
  4. Step 4: Simplify right side
    5,676.44x = 16,840,323.63
  5. Step 5: Solve for x
    x = 16,840,323.63/5,676.44
  6. Step 6: Final answer
    x = 2,966.71

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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.