Home / 8,709.06-13,063.50-2,135.28

Finding the Fourth Proportional to 8,709.06, 13,063.50 and 2,135.28

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Solution

The fourth proportional to 8,709.06, 13,063.50 and 2,135.28 is: 3,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.06 : 13,063.50 = 2,135.28 : x
  2. Step 2: Convert to fraction form
    8,709.06/13,063.50 = 2,135.28/x
  3. Step 3: Cross multiply
    8,709.06x = 13,063.50 × 2,135.28
  4. Step 4: Simplify right side
    8,709.06x = 27,894,230.28
  5. Step 5: Solve for x
    x = 27,894,230.28/8,709.06
  6. Step 6: Final answer
    x = 3,202.90

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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.