Home / 7,396.13-11,090.84-2,129.91

Finding the Fourth Proportional to 7,396.13, 11,090.84 and 2,129.91

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Solution

The fourth proportional to 7,396.13, 11,090.84 and 2,129.91 is: 3,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,396.13 : 11,090.84 = 2,129.91 : x
  2. Step 2: Convert to fraction form
    7,396.13/11,090.84 = 2,129.91/x
  3. Step 3: Cross multiply
    7,396.13x = 11,090.84 × 2,129.91
  4. Step 4: Simplify right side
    7,396.13x = 23,622,480.37
  5. Step 5: Solve for x
    x = 23,622,480.37/7,396.13
  6. Step 6: Final answer
    x = 3,193.90

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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.