Home / 7,752.20-11,629.16-2,485.97

Finding the Fourth Proportional to 7,752.20, 11,629.16 and 2,485.97

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Solution

The fourth proportional to 7,752.20, 11,629.16 and 2,485.97 is: 3,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.20 : 11,629.16 = 2,485.97 : x
  2. Step 2: Convert to fraction form
    7,752.20/11,629.16 = 2,485.97/x
  3. Step 3: Cross multiply
    7,752.20x = 11,629.16 × 2,485.97
  4. Step 4: Simplify right side
    7,752.20x = 28,909,672.31
  5. Step 5: Solve for x
    x = 28,909,672.31/7,752.20
  6. Step 6: Final answer
    x = 3,729.22

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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.