Home / 5,129.14-7,697.46-3,284.77

Finding the Fourth Proportional to 5,129.14, 7,697.46 and 3,284.77

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Solution

The fourth proportional to 5,129.14, 7,697.46 and 3,284.77 is: 4,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.14 : 7,697.46 = 3,284.77 : x
  2. Step 2: Convert to fraction form
    5,129.14/7,697.46 = 3,284.77/x
  3. Step 3: Cross multiply
    5,129.14x = 7,697.46 × 3,284.77
  4. Step 4: Simplify right side
    5,129.14x = 25,284,385.68
  5. Step 5: Solve for x
    x = 25,284,385.68/5,129.14
  6. Step 6: Final answer
    x = 4,929.56

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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.