Home / 5,172.87-7,754.90-2,052.15

Finding the Fourth Proportional to 5,172.87, 7,754.90 and 2,052.15

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Solution

The fourth proportional to 5,172.87, 7,754.90 and 2,052.15 is: 3,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.87 : 7,754.90 = 2,052.15 : x
  2. Step 2: Convert to fraction form
    5,172.87/7,754.90 = 2,052.15/x
  3. Step 3: Cross multiply
    5,172.87x = 7,754.90 × 2,052.15
  4. Step 4: Simplify right side
    5,172.87x = 15,914,207.77
  5. Step 5: Solve for x
    x = 15,914,207.77/5,172.87
  6. Step 6: Final answer
    x = 3,076.48

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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.