Home / 7,846.08-11,767.82-2,581.15

Finding the Fourth Proportional to 7,846.08, 11,767.82 and 2,581.15

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Solution

The fourth proportional to 7,846.08, 11,767.82 and 2,581.15 is: 3,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.08 : 11,767.82 = 2,581.15 : x
  2. Step 2: Convert to fraction form
    7,846.08/11,767.82 = 2,581.15/x
  3. Step 3: Cross multiply
    7,846.08x = 11,767.82 × 2,581.15
  4. Step 4: Simplify right side
    7,846.08x = 30,374,495.69
  5. Step 5: Solve for x
    x = 30,374,495.69/7,846.08
  6. Step 6: Final answer
    x = 3,871.30

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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.