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Finding the Fourth Proportional to 8,922, 13,358.36 and 6,724.07

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Solution

The fourth proportional to 8,922, 13,358.36 and 6,724.07 is: 10,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922 : 13,358.36 = 6,724.07 : x
  2. Step 2: Convert to fraction form
    8,922/13,358.36 = 6,724.07/x
  3. Step 3: Cross multiply
    8,922x = 13,358.36 × 6,724.07
  4. Step 4: Simplify right side
    8,922x = 89,822,547.73
  5. Step 5: Solve for x
    x = 89,822,547.73/8,922
  6. Step 6: Final answer
    x = 10,067.54

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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.