Home / 5,283.09-7,290.81-3,186

Finding the Fourth Proportional to 5,283.09, 7,290.81 and 3,186

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Solution

The fourth proportional to 5,283.09, 7,290.81 and 3,186 is: 4,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.09 : 7,290.81 = 3,186 : x
  2. Step 2: Convert to fraction form
    5,283.09/7,290.81 = 3,186/x
  3. Step 3: Cross multiply
    5,283.09x = 7,290.81 × 3,186
  4. Step 4: Simplify right side
    5,283.09x = 23,228,520.66
  5. Step 5: Solve for x
    x = 23,228,520.66/5,283.09
  6. Step 6: Final answer
    x = 4,396.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.