Home / 7,853.45-11,761.71-3,684.47

Finding the Fourth Proportional to 7,853.45, 11,761.71 and 3,684.47

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Solution

The fourth proportional to 7,853.45, 11,761.71 and 3,684.47 is: 5,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.45 : 11,761.71 = 3,684.47 : x
  2. Step 2: Convert to fraction form
    7,853.45/11,761.71 = 3,684.47/x
  3. Step 3: Cross multiply
    7,853.45x = 11,761.71 × 3,684.47
  4. Step 4: Simplify right side
    7,853.45x = 43,335,667.64
  5. Step 5: Solve for x
    x = 43,335,667.64/7,853.45
  6. Step 6: Final answer
    x = 5,518.04

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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.