Home / 8,858.28-13,286.88-3,664.02

Finding the Fourth Proportional to 8,858.28, 13,286.88 and 3,664.02

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Solution

The fourth proportional to 8,858.28, 13,286.88 and 3,664.02 is: 5,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.28 : 13,286.88 = 3,664.02 : x
  2. Step 2: Convert to fraction form
    8,858.28/13,286.88 = 3,664.02/x
  3. Step 3: Cross multiply
    8,858.28x = 13,286.88 × 3,664.02
  4. Step 4: Simplify right side
    8,858.28x = 48,683,394.06
  5. Step 5: Solve for x
    x = 48,683,394.06/8,858.28
  6. Step 6: Final answer
    x = 5,495.81

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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.