Home / 5,146.82-7,715.66-2,512.87

Finding the Fourth Proportional to 5,146.82, 7,715.66 and 2,512.87

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Solution

The fourth proportional to 5,146.82, 7,715.66 and 2,512.87 is: 3,767.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.82 : 7,715.66 = 2,512.87 : x
  2. Step 2: Convert to fraction form
    5,146.82/7,715.66 = 2,512.87/x
  3. Step 3: Cross multiply
    5,146.82x = 7,715.66 × 2,512.87
  4. Step 4: Simplify right side
    5,146.82x = 19,388,437.54
  5. Step 5: Solve for x
    x = 19,388,437.54/5,146.82
  6. Step 6: Final answer
    x = 3,767.07

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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.