Home / 8,872.36-13,286.63-6,881.41

Finding the Fourth Proportional to 8,872.36, 13,286.63 and 6,881.41

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Solution

The fourth proportional to 8,872.36, 13,286.63 and 6,881.41 is: 10,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.36 : 13,286.63 = 6,881.41 : x
  2. Step 2: Convert to fraction form
    8,872.36/13,286.63 = 6,881.41/x
  3. Step 3: Cross multiply
    8,872.36x = 13,286.63 × 6,881.41
  4. Step 4: Simplify right side
    8,872.36x = 91,430,765.71
  5. Step 5: Solve for x
    x = 91,430,765.71/8,872.36
  6. Step 6: Final answer
    x = 10,305.12

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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.