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Finding the Fourth Proportional to 9,150.97, 12,628.34 and 4,959.22

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Solution

The fourth proportional to 9,150.97, 12,628.34 and 4,959.22 is: 6,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.97 : 12,628.34 = 4,959.22 : x
  2. Step 2: Convert to fraction form
    9,150.97/12,628.34 = 4,959.22/x
  3. Step 3: Cross multiply
    9,150.97x = 12,628.34 × 4,959.22
  4. Step 4: Simplify right side
    9,150.97x = 62,626,691.50
  5. Step 5: Solve for x
    x = 62,626,691.50/9,150.97
  6. Step 6: Final answer
    x = 6,843.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.