Home / 5,137.05-7,705.57-2,175.96

Finding the Fourth Proportional to 5,137.05, 7,705.57 and 2,175.96

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Solution

The fourth proportional to 5,137.05, 7,705.57 and 2,175.96 is: 3,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.05 : 7,705.57 = 2,175.96 : x
  2. Step 2: Convert to fraction form
    5,137.05/7,705.57 = 2,175.96/x
  3. Step 3: Cross multiply
    5,137.05x = 7,705.57 × 2,175.96
  4. Step 4: Simplify right side
    5,137.05x = 16,767,012.10
  5. Step 5: Solve for x
    x = 16,767,012.10/5,137.05
  6. Step 6: Final answer
    x = 3,263.94

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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.