Home / 7,376.81-11,072.51-3,914.06

Finding the Fourth Proportional to 7,376.81, 11,072.51 and 3,914.06

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Solution

The fourth proportional to 7,376.81, 11,072.51 and 3,914.06 is: 5,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.81 : 11,072.51 = 3,914.06 : x
  2. Step 2: Convert to fraction form
    7,376.81/11,072.51 = 3,914.06/x
  3. Step 3: Cross multiply
    7,376.81x = 11,072.51 × 3,914.06
  4. Step 4: Simplify right side
    7,376.81x = 43,338,491.28
  5. Step 5: Solve for x
    x = 43,338,491.28/7,376.81
  6. Step 6: Final answer
    x = 5,874.96

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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.