Home / 4,429.38-6,644.53-1,964.76

Finding the Fourth Proportional to 4,429.38, 6,644.53 and 1,964.76

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Solution

The fourth proportional to 4,429.38, 6,644.53 and 1,964.76 is: 2,947.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.38 : 6,644.53 = 1,964.76 : x
  2. Step 2: Convert to fraction form
    4,429.38/6,644.53 = 1,964.76/x
  3. Step 3: Cross multiply
    4,429.38x = 6,644.53 × 1,964.76
  4. Step 4: Simplify right side
    4,429.38x = 13,054,884.30
  5. Step 5: Solve for x
    x = 13,054,884.30/4,429.38
  6. Step 6: Final answer
    x = 2,947.34

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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.