Home / 5,488.98-8,234.84-1,791.42

Finding the Fourth Proportional to 5,488.98, 8,234.84 and 1,791.42

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Solution

The fourth proportional to 5,488.98, 8,234.84 and 1,791.42 is: 2,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.98 : 8,234.84 = 1,791.42 : x
  2. Step 2: Convert to fraction form
    5,488.98/8,234.84 = 1,791.42/x
  3. Step 3: Cross multiply
    5,488.98x = 8,234.84 × 1,791.42
  4. Step 4: Simplify right side
    5,488.98x = 14,752,057.07
  5. Step 5: Solve for x
    x = 14,752,057.07/5,488.98
  6. Step 6: Final answer
    x = 2,687.58

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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.