Home / 8,318.07-12,468.36-3,318.48

Finding the Fourth Proportional to 8,318.07, 12,468.36 and 3,318.48

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Solution

The fourth proportional to 8,318.07, 12,468.36 and 3,318.48 is: 4,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.07 : 12,468.36 = 3,318.48 : x
  2. Step 2: Convert to fraction form
    8,318.07/12,468.36 = 3,318.48/x
  3. Step 3: Cross multiply
    8,318.07x = 12,468.36 × 3,318.48
  4. Step 4: Simplify right side
    8,318.07x = 41,376,003.29
  5. Step 5: Solve for x
    x = 41,376,003.29/8,318.07
  6. Step 6: Final answer
    x = 4,974.23

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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.