Home / 8,958.30-13,439.67-3,114.96

Finding the Fourth Proportional to 8,958.30, 13,439.67 and 3,114.96

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Solution

The fourth proportional to 8,958.30, 13,439.67 and 3,114.96 is: 4,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.30 : 13,439.67 = 3,114.96 : x
  2. Step 2: Convert to fraction form
    8,958.30/13,439.67 = 3,114.96/x
  3. Step 3: Cross multiply
    8,958.30x = 13,439.67 × 3,114.96
  4. Step 4: Simplify right side
    8,958.30x = 41,864,034.46
  5. Step 5: Solve for x
    x = 41,864,034.46/8,958.30
  6. Step 6: Final answer
    x = 4,673.21

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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.