Home / 4,421.39-6,633.38-1,787.54

Finding the Fourth Proportional to 4,421.39, 6,633.38 and 1,787.54

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Solution

The fourth proportional to 4,421.39, 6,633.38 and 1,787.54 is: 2,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.39 : 6,633.38 = 1,787.54 : x
  2. Step 2: Convert to fraction form
    4,421.39/6,633.38 = 1,787.54/x
  3. Step 3: Cross multiply
    4,421.39x = 6,633.38 × 1,787.54
  4. Step 4: Simplify right side
    4,421.39x = 11,857,393.33
  5. Step 5: Solve for x
    x = 11,857,393.33/4,421.39
  6. Step 6: Final answer
    x = 2,681.83

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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.