Home / 5,986.93-8,266.81-3,863.51

Finding the Fourth Proportional to 5,986.93, 8,266.81 and 3,863.51

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Solution

The fourth proportional to 5,986.93, 8,266.81 and 3,863.51 is: 5,334.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,986.93 : 8,266.81 = 3,863.51 : x
  2. Step 2: Convert to fraction form
    5,986.93/8,266.81 = 3,863.51/x
  3. Step 3: Cross multiply
    5,986.93x = 8,266.81 × 3,863.51
  4. Step 4: Simplify right side
    5,986.93x = 31,938,914.11
  5. Step 5: Solve for x
    x = 31,938,914.11/5,986.93
  6. Step 6: Final answer
    x = 5,334.78

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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.