Home / 5,052.78-7,571.88-2,127.06

Finding the Fourth Proportional to 5,052.78, 7,571.88 and 2,127.06

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Solution

The fourth proportional to 5,052.78, 7,571.88 and 2,127.06 is: 3,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.78 : 7,571.88 = 2,127.06 : x
  2. Step 2: Convert to fraction form
    5,052.78/7,571.88 = 2,127.06/x
  3. Step 3: Cross multiply
    5,052.78x = 7,571.88 × 2,127.06
  4. Step 4: Simplify right side
    5,052.78x = 16,105,843.07
  5. Step 5: Solve for x
    x = 16,105,843.07/5,052.78
  6. Step 6: Final answer
    x = 3,187.52

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1.5x scale

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.