Home / 7,276.41-10,905.49-3,111.53

Finding the Fourth Proportional to 7,276.41, 10,905.49 and 3,111.53

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Solution

The fourth proportional to 7,276.41, 10,905.49 and 3,111.53 is: 4,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.41 : 10,905.49 = 3,111.53 : x
  2. Step 2: Convert to fraction form
    7,276.41/10,905.49 = 3,111.53/x
  3. Step 3: Cross multiply
    7,276.41x = 10,905.49 × 3,111.53
  4. Step 4: Simplify right side
    7,276.41x = 33,932,759.30
  5. Step 5: Solve for x
    x = 33,932,759.30/7,276.41
  6. Step 6: Final answer
    x = 4,663.39

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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.