Home / 8,669.49-11,960.92-4,892.19

Finding the Fourth Proportional to 8,669.49, 11,960.92 and 4,892.19

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Solution

The fourth proportional to 8,669.49, 11,960.92 and 4,892.19 is: 6,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,669.49 : 11,960.92 = 4,892.19 : x
  2. Step 2: Convert to fraction form
    8,669.49/11,960.92 = 4,892.19/x
  3. Step 3: Cross multiply
    8,669.49x = 11,960.92 × 4,892.19
  4. Step 4: Simplify right side
    8,669.49x = 58,515,093.21
  5. Step 5: Solve for x
    x = 58,515,093.21/8,669.49
  6. Step 6: Final answer
    x = 6,749.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.