Home / 4,438.13-6,658.31-1,664.81

Finding the Fourth Proportional to 4,438.13, 6,658.31 and 1,664.81

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Solution

The fourth proportional to 4,438.13, 6,658.31 and 1,664.81 is: 2,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.13 : 6,658.31 = 1,664.81 : x
  2. Step 2: Convert to fraction form
    4,438.13/6,658.31 = 1,664.81/x
  3. Step 3: Cross multiply
    4,438.13x = 6,658.31 × 1,664.81
  4. Step 4: Simplify right side
    4,438.13x = 11,084,791.94
  5. Step 5: Solve for x
    x = 11,084,791.94/4,438.13
  6. Step 6: Final answer
    x = 2,497.63

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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.