Home / 5,147.05-7,716.07-2,477.31

Finding the Fourth Proportional to 5,147.05, 7,716.07 and 2,477.31

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Solution

The fourth proportional to 5,147.05, 7,716.07 and 2,477.31 is: 3,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.05 : 7,716.07 = 2,477.31 : x
  2. Step 2: Convert to fraction form
    5,147.05/7,716.07 = 2,477.31/x
  3. Step 3: Cross multiply
    5,147.05x = 7,716.07 × 2,477.31
  4. Step 4: Simplify right side
    5,147.05x = 19,115,097.37
  5. Step 5: Solve for x
    x = 19,115,097.37/5,147.05
  6. Step 6: Final answer
    x = 3,713.80

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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.