Home / 4,781.46-7,164.12-3,388.05

Finding the Fourth Proportional to 4,781.46, 7,164.12 and 3,388.05

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Solution

The fourth proportional to 4,781.46, 7,164.12 and 3,388.05 is: 5,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.46 : 7,164.12 = 3,388.05 : x
  2. Step 2: Convert to fraction form
    4,781.46/7,164.12 = 3,388.05/x
  3. Step 3: Cross multiply
    4,781.46x = 7,164.12 × 3,388.05
  4. Step 4: Simplify right side
    4,781.46x = 24,272,396.77
  5. Step 5: Solve for x
    x = 24,272,396.77/4,781.46
  6. Step 6: Final answer
    x = 5,076.36

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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.