Home / 5,418.44-8,126.41-1,719.98

Finding the Fourth Proportional to 5,418.44, 8,126.41 and 1,719.98

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Solution

The fourth proportional to 5,418.44, 8,126.41 and 1,719.98 is: 2,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.44 : 8,126.41 = 1,719.98 : x
  2. Step 2: Convert to fraction form
    5,418.44/8,126.41 = 1,719.98/x
  3. Step 3: Cross multiply
    5,418.44x = 8,126.41 × 1,719.98
  4. Step 4: Simplify right side
    5,418.44x = 13,977,262.67
  5. Step 5: Solve for x
    x = 13,977,262.67/5,418.44
  6. Step 6: Final answer
    x = 2,579.57

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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.