Home / 5,157.70-7,736.67-1,262.14

Finding the Fourth Proportional to 5,157.70, 7,736.67 and 1,262.14

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Solution

The fourth proportional to 5,157.70, 7,736.67 and 1,262.14 is: 1,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.70 : 7,736.67 = 1,262.14 : x
  2. Step 2: Convert to fraction form
    5,157.70/7,736.67 = 1,262.14/x
  3. Step 3: Cross multiply
    5,157.70x = 7,736.67 × 1,262.14
  4. Step 4: Simplify right side
    5,157.70x = 9,764,760.67
  5. Step 5: Solve for x
    x = 9,764,760.67/5,157.70
  6. Step 6: Final answer
    x = 1,893.24

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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.