Home / 8,619.97-12,904.44-5,322.46

Finding the Fourth Proportional to 8,619.97, 12,904.44 and 5,322.46

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Solution

The fourth proportional to 8,619.97, 12,904.44 and 5,322.46 is: 7,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619.97 : 12,904.44 = 5,322.46 : x
  2. Step 2: Convert to fraction form
    8,619.97/12,904.44 = 5,322.46/x
  3. Step 3: Cross multiply
    8,619.97x = 12,904.44 × 5,322.46
  4. Step 4: Simplify right side
    8,619.97x = 68,683,365.72
  5. Step 5: Solve for x
    x = 68,683,365.72/8,619.97
  6. Step 6: Final answer
    x = 7,967.94

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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.