Home / 8,238.35-12,354.96-2,972.67

Finding the Fourth Proportional to 8,238.35, 12,354.96 and 2,972.67

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Solution

The fourth proportional to 8,238.35, 12,354.96 and 2,972.67 is: 4,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.35 : 12,354.96 = 2,972.67 : x
  2. Step 2: Convert to fraction form
    8,238.35/12,354.96 = 2,972.67/x
  3. Step 3: Cross multiply
    8,238.35x = 12,354.96 × 2,972.67
  4. Step 4: Simplify right side
    8,238.35x = 36,727,218.94
  5. Step 5: Solve for x
    x = 36,727,218.94/8,238.35
  6. Step 6: Final answer
    x = 4,458.08

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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.