Home / 8,688.32-13,033.25-2,448.39

Finding the Fourth Proportional to 8,688.32, 13,033.25 and 2,448.39

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Solution

The fourth proportional to 8,688.32, 13,033.25 and 2,448.39 is: 3,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.32 : 13,033.25 = 2,448.39 : x
  2. Step 2: Convert to fraction form
    8,688.32/13,033.25 = 2,448.39/x
  3. Step 3: Cross multiply
    8,688.32x = 13,033.25 × 2,448.39
  4. Step 4: Simplify right side
    8,688.32x = 31,910,485.09
  5. Step 5: Solve for x
    x = 31,910,485.09/8,688.32
  6. Step 6: Final answer
    x = 3,672.80

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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.