Home / 5,384.06-8,072.64-2,571.74

Finding the Fourth Proportional to 5,384.06, 8,072.64 and 2,571.74

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Solution

The fourth proportional to 5,384.06, 8,072.64 and 2,571.74 is: 3,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.06 : 8,072.64 = 2,571.74 : x
  2. Step 2: Convert to fraction form
    5,384.06/8,072.64 = 2,571.74/x
  3. Step 3: Cross multiply
    5,384.06x = 8,072.64 × 2,571.74
  4. Step 4: Simplify right side
    5,384.06x = 20,760,731.19
  5. Step 5: Solve for x
    x = 20,760,731.19/5,384.06
  6. Step 6: Final answer
    x = 3,855.96

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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.