Home / 7,908.21-11,861.28-2,065.26

Finding the Fourth Proportional to 7,908.21, 11,861.28 and 2,065.26

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Solution

The fourth proportional to 7,908.21, 11,861.28 and 2,065.26 is: 3,097.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.21 : 11,861.28 = 2,065.26 : x
  2. Step 2: Convert to fraction form
    7,908.21/11,861.28 = 2,065.26/x
  3. Step 3: Cross multiply
    7,908.21x = 11,861.28 × 2,065.26
  4. Step 4: Simplify right side
    7,908.21x = 24,496,627.13
  5. Step 5: Solve for x
    x = 24,496,627.13/7,908.21
  6. Step 6: Final answer
    x = 3,097.62

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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.