Home / 4,418.38-6,627.84-1,340.38

Finding the Fourth Proportional to 4,418.38, 6,627.84 and 1,340.38

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Solution

The fourth proportional to 4,418.38, 6,627.84 and 1,340.38 is: 2,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.38 : 6,627.84 = 1,340.38 : x
  2. Step 2: Convert to fraction form
    4,418.38/6,627.84 = 1,340.38/x
  3. Step 3: Cross multiply
    4,418.38x = 6,627.84 × 1,340.38
  4. Step 4: Simplify right side
    4,418.38x = 8,883,784.34
  5. Step 5: Solve for x
    x = 8,883,784.34/4,418.38
  6. Step 6: Final answer
    x = 2,010.65

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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.