Home / 5,131.13-7,693.62-2,493.45

Finding the Fourth Proportional to 5,131.13, 7,693.62 and 2,493.45

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Solution

The fourth proportional to 5,131.13, 7,693.62 and 2,493.45 is: 3,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.13 : 7,693.62 = 2,493.45 : x
  2. Step 2: Convert to fraction form
    5,131.13/7,693.62 = 2,493.45/x
  3. Step 3: Cross multiply
    5,131.13x = 7,693.62 × 2,493.45
  4. Step 4: Simplify right side
    5,131.13x = 19,183,656.79
  5. Step 5: Solve for x
    x = 19,183,656.79/5,131.13
  6. Step 6: Final answer
    x = 3,738.68

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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.