Home / 4,716.78-7,080.64-2,529.78

Finding the Fourth Proportional to 4,716.78, 7,080.64 and 2,529.78

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Solution

The fourth proportional to 4,716.78, 7,080.64 and 2,529.78 is: 3,797.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.78 : 7,080.64 = 2,529.78 : x
  2. Step 2: Convert to fraction form
    4,716.78/7,080.64 = 2,529.78/x
  3. Step 3: Cross multiply
    4,716.78x = 7,080.64 × 2,529.78
  4. Step 4: Simplify right side
    4,716.78x = 17,912,475.53
  5. Step 5: Solve for x
    x = 17,912,475.53/4,716.78
  6. Step 6: Final answer
    x = 3,797.61

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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.