Home / 5,057-7,586.62-2,137.80

Finding the Fourth Proportional to 5,057, 7,586.62 and 2,137.80

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Solution

The fourth proportional to 5,057, 7,586.62 and 2,137.80 is: 3,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057 : 7,586.62 = 2,137.80 : x
  2. Step 2: Convert to fraction form
    5,057/7,586.62 = 2,137.80/x
  3. Step 3: Cross multiply
    5,057x = 7,586.62 × 2,137.80
  4. Step 4: Simplify right side
    5,057x = 16,218,676.24
  5. Step 5: Solve for x
    x = 16,218,676.24/5,057
  6. Step 6: Final answer
    x = 3,207.17

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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.