Home / 8,748.85-13,123.21-2,175.03

Finding the Fourth Proportional to 8,748.85, 13,123.21 and 2,175.03

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Solution

The fourth proportional to 8,748.85, 13,123.21 and 2,175.03 is: 3,262.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748.85 : 13,123.21 = 2,175.03 : x
  2. Step 2: Convert to fraction form
    8,748.85/13,123.21 = 2,175.03/x
  3. Step 3: Cross multiply
    8,748.85x = 13,123.21 × 2,175.03
  4. Step 4: Simplify right side
    8,748.85x = 28,543,375.45
  5. Step 5: Solve for x
    x = 28,543,375.45/8,748.85
  6. Step 6: Final answer
    x = 3,262.53

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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.