Home / 5,137.70-7,704.72-1,849.91

Finding the Fourth Proportional to 5,137.70, 7,704.72 and 1,849.91

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Solution

The fourth proportional to 5,137.70, 7,704.72 and 1,849.91 is: 2,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.70 : 7,704.72 = 1,849.91 : x
  2. Step 2: Convert to fraction form
    5,137.70/7,704.72 = 1,849.91/x
  3. Step 3: Cross multiply
    5,137.70x = 7,704.72 × 1,849.91
  4. Step 4: Simplify right side
    5,137.70x = 14,253,000.05
  5. Step 5: Solve for x
    x = 14,253,000.05/5,137.70
  6. Step 6: Final answer
    x = 2,774.20

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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.