Home / 8,958.96-13,442.04-3,119.64

Finding the Fourth Proportional to 8,958.96, 13,442.04 and 3,119.64

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Solution

The fourth proportional to 8,958.96, 13,442.04 and 3,119.64 is: 4,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.96 : 13,442.04 = 3,119.64 : x
  2. Step 2: Convert to fraction form
    8,958.96/13,442.04 = 3,119.64/x
  3. Step 3: Cross multiply
    8,958.96x = 13,442.04 × 3,119.64
  4. Step 4: Simplify right side
    8,958.96x = 41,934,325.67
  5. Step 5: Solve for x
    x = 41,934,325.67/8,958.96
  6. Step 6: Final answer
    x = 4,680.71

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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.