Home / 4,420.42-6,630.97-1,787.82

Finding the Fourth Proportional to 4,420.42, 6,630.97 and 1,787.82

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Solution

The fourth proportional to 4,420.42, 6,630.97 and 1,787.82 is: 2,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.42 : 6,630.97 = 1,787.82 : x
  2. Step 2: Convert to fraction form
    4,420.42/6,630.97 = 1,787.82/x
  3. Step 3: Cross multiply
    4,420.42x = 6,630.97 × 1,787.82
  4. Step 4: Simplify right side
    4,420.42x = 11,854,958.15
  5. Step 5: Solve for x
    x = 11,854,958.15/4,420.42
  6. Step 6: Final answer
    x = 2,681.86

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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.