Home / 8,872.31-13,310.72-3,325.67

Finding the Fourth Proportional to 8,872.31, 13,310.72 and 3,325.67

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Solution

The fourth proportional to 8,872.31, 13,310.72 and 3,325.67 is: 4,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.31 : 13,310.72 = 3,325.67 : x
  2. Step 2: Convert to fraction form
    8,872.31/13,310.72 = 3,325.67/x
  3. Step 3: Cross multiply
    8,872.31x = 13,310.72 × 3,325.67
  4. Step 4: Simplify right side
    8,872.31x = 44,267,091.30
  5. Step 5: Solve for x
    x = 44,267,091.30/8,872.31
  6. Step 6: Final answer
    x = 4,989.35

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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.