Home / 7,720.92-11,588.67-3,563.19

Finding the Fourth Proportional to 7,720.92, 11,588.67 and 3,563.19

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Solution

The fourth proportional to 7,720.92, 11,588.67 and 3,563.19 is: 5,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.92 : 11,588.67 = 3,563.19 : x
  2. Step 2: Convert to fraction form
    7,720.92/11,588.67 = 3,563.19/x
  3. Step 3: Cross multiply
    7,720.92x = 11,588.67 × 3,563.19
  4. Step 4: Simplify right side
    7,720.92x = 41,292,633.06
  5. Step 5: Solve for x
    x = 41,292,633.06/7,720.92
  6. Step 6: Final answer
    x = 5,348.15

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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.