Home / 7,747.81-11,619.63-3,364.22

Finding the Fourth Proportional to 7,747.81, 11,619.63 and 3,364.22

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Solution

The fourth proportional to 7,747.81, 11,619.63 and 3,364.22 is: 5,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.81 : 11,619.63 = 3,364.22 : x
  2. Step 2: Convert to fraction form
    7,747.81/11,619.63 = 3,364.22/x
  3. Step 3: Cross multiply
    7,747.81x = 11,619.63 × 3,364.22
  4. Step 4: Simplify right side
    7,747.81x = 39,091,020.69
  5. Step 5: Solve for x
    x = 39,091,020.69/7,747.81
  6. Step 6: Final answer
    x = 5,045.43

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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.