Home / 5,147.57-7,716.79-2,513.62

Finding the Fourth Proportional to 5,147.57, 7,716.79 and 2,513.62

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Solution

The fourth proportional to 5,147.57, 7,716.79 and 2,513.62 is: 3,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.57 : 7,716.79 = 2,513.62 : x
  2. Step 2: Convert to fraction form
    5,147.57/7,716.79 = 2,513.62/x
  3. Step 3: Cross multiply
    5,147.57x = 7,716.79 × 2,513.62
  4. Step 4: Simplify right side
    5,147.57x = 19,397,077.68
  5. Step 5: Solve for x
    x = 19,397,077.68/5,147.57
  6. Step 6: Final answer
    x = 3,768.20

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1.5x scale

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.