Home / 5,676.70-8,517.48-1,976.91

Finding the Fourth Proportional to 5,676.70, 8,517.48 and 1,976.91

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Solution

The fourth proportional to 5,676.70, 8,517.48 and 1,976.91 is: 2,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.70 : 8,517.48 = 1,976.91 : x
  2. Step 2: Convert to fraction form
    5,676.70/8,517.48 = 1,976.91/x
  3. Step 3: Cross multiply
    5,676.70x = 8,517.48 × 1,976.91
  4. Step 4: Simplify right side
    5,676.70x = 16,838,291.39
  5. Step 5: Solve for x
    x = 16,838,291.39/5,676.70
  6. Step 6: Final answer
    x = 2,966.21

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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.