Home / 7,824.60-11,733.06-3,871.29

Finding the Fourth Proportional to 7,824.60, 11,733.06 and 3,871.29

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Solution

The fourth proportional to 7,824.60, 11,733.06 and 3,871.29 is: 5,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.60 : 11,733.06 = 3,871.29 : x
  2. Step 2: Convert to fraction form
    7,824.60/11,733.06 = 3,871.29/x
  3. Step 3: Cross multiply
    7,824.60x = 11,733.06 × 3,871.29
  4. Step 4: Simplify right side
    7,824.60x = 45,422,077.85
  5. Step 5: Solve for x
    x = 45,422,077.85/7,824.60
  6. Step 6: Final answer
    x = 5,805.04

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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.