Home / 7,720.91-11,581.36-2,174.25

Finding the Fourth Proportional to 7,720.91, 11,581.36 and 2,174.25

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Solution

The fourth proportional to 7,720.91, 11,581.36 and 2,174.25 is: 3,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.91 : 11,581.36 = 2,174.25 : x
  2. Step 2: Convert to fraction form
    7,720.91/11,581.36 = 2,174.25/x
  3. Step 3: Cross multiply
    7,720.91x = 11,581.36 × 2,174.25
  4. Step 4: Simplify right side
    7,720.91x = 25,180,771.98
  5. Step 5: Solve for x
    x = 25,180,771.98/7,720.91
  6. Step 6: Final answer
    x = 3,261.37

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Similar ratio
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1.5x scale

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.