Home / 4,770.87-7,153.41-2,137.89

Finding the Fourth Proportional to 4,770.87, 7,153.41 and 2,137.89

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Solution

The fourth proportional to 4,770.87, 7,153.41 and 2,137.89 is: 3,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.87 : 7,153.41 = 2,137.89 : x
  2. Step 2: Convert to fraction form
    4,770.87/7,153.41 = 2,137.89/x
  3. Step 3: Cross multiply
    4,770.87x = 7,153.41 × 2,137.89
  4. Step 4: Simplify right side
    4,770.87x = 15,293,203.70
  5. Step 5: Solve for x
    x = 15,293,203.70/4,770.87
  6. Step 6: Final answer
    x = 3,205.54

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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.