Home / 7,391.39-11,090.12-3,009.29

Finding the Fourth Proportional to 7,391.39, 11,090.12 and 3,009.29

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Solution

The fourth proportional to 7,391.39, 11,090.12 and 3,009.29 is: 4,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.39 : 11,090.12 = 3,009.29 : x
  2. Step 2: Convert to fraction form
    7,391.39/11,090.12 = 3,009.29/x
  3. Step 3: Cross multiply
    7,391.39x = 11,090.12 × 3,009.29
  4. Step 4: Simplify right side
    7,391.39x = 33,373,316.72
  5. Step 5: Solve for x
    x = 33,373,316.72/7,391.39
  6. Step 6: Final answer
    x = 4,515.16

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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.