Home / 4,627.20-6,940.94-1,340.43

Finding the Fourth Proportional to 4,627.20, 6,940.94 and 1,340.43

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Solution

The fourth proportional to 4,627.20, 6,940.94 and 1,340.43 is: 2,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.20 : 6,940.94 = 1,340.43 : x
  2. Step 2: Convert to fraction form
    4,627.20/6,940.94 = 1,340.43/x
  3. Step 3: Cross multiply
    4,627.20x = 6,940.94 × 1,340.43
  4. Step 4: Simplify right side
    4,627.20x = 9,303,837.50
  5. Step 5: Solve for x
    x = 9,303,837.50/4,627.20
  6. Step 6: Final answer
    x = 2,010.68

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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.