Home / 5,072.88-7,607.40-2,152.56

Finding the Fourth Proportional to 5,072.88, 7,607.40 and 2,152.56

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Solution

The fourth proportional to 5,072.88, 7,607.40 and 2,152.56 is: 3,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.88 : 7,607.40 = 2,152.56 : x
  2. Step 2: Convert to fraction form
    5,072.88/7,607.40 = 2,152.56/x
  3. Step 3: Cross multiply
    5,072.88x = 7,607.40 × 2,152.56
  4. Step 4: Simplify right side
    5,072.88x = 16,375,384.94
  5. Step 5: Solve for x
    x = 16,375,384.94/5,072.88
  6. Step 6: Final answer
    x = 3,228.03

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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.