Home / 4,781.13-7,164.72-3,397.16

Finding the Fourth Proportional to 4,781.13, 7,164.72 and 3,397.16

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Solution

The fourth proportional to 4,781.13, 7,164.72 and 3,397.16 is: 5,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.13 : 7,164.72 = 3,397.16 : x
  2. Step 2: Convert to fraction form
    4,781.13/7,164.72 = 3,397.16/x
  3. Step 3: Cross multiply
    4,781.13x = 7,164.72 × 3,397.16
  4. Step 4: Simplify right side
    4,781.13x = 24,339,664.37
  5. Step 5: Solve for x
    x = 24,339,664.37/4,781.13
  6. Step 6: Final answer
    x = 5,090.78

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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.