Home / 6,429.14-8,872.64-3,596.77

Finding the Fourth Proportional to 6,429.14, 8,872.64 and 3,596.77

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Solution

The fourth proportional to 6,429.14, 8,872.64 and 3,596.77 is: 4,963.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.14 : 8,872.64 = 3,596.77 : x
  2. Step 2: Convert to fraction form
    6,429.14/8,872.64 = 3,596.77/x
  3. Step 3: Cross multiply
    6,429.14x = 8,872.64 × 3,596.77
  4. Step 4: Simplify right side
    6,429.14x = 31,912,845.37
  5. Step 5: Solve for x
    x = 31,912,845.37/6,429.14
  6. Step 6: Final answer
    x = 4,963.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.