Home / 5,449.78-8,174.82-1,752.38

Finding the Fourth Proportional to 5,449.78, 8,174.82 and 1,752.38

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Solution

The fourth proportional to 5,449.78, 8,174.82 and 1,752.38 is: 2,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.78 : 8,174.82 = 1,752.38 : x
  2. Step 2: Convert to fraction form
    5,449.78/8,174.82 = 1,752.38/x
  3. Step 3: Cross multiply
    5,449.78x = 8,174.82 × 1,752.38
  4. Step 4: Simplify right side
    5,449.78x = 14,325,433.41
  5. Step 5: Solve for x
    x = 14,325,433.41/5,449.78
  6. Step 6: Final answer
    x = 2,628.63

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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.