Home / 8,811.44-13,217.88-3,617.36

Finding the Fourth Proportional to 8,811.44, 13,217.88 and 3,617.36

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Solution

The fourth proportional to 8,811.44, 13,217.88 and 3,617.36 is: 5,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811.44 : 13,217.88 = 3,617.36 : x
  2. Step 2: Convert to fraction form
    8,811.44/13,217.88 = 3,617.36/x
  3. Step 3: Cross multiply
    8,811.44x = 13,217.88 × 3,617.36
  4. Step 4: Simplify right side
    8,811.44x = 47,813,830.40
  5. Step 5: Solve for x
    x = 47,813,830.40/8,811.44
  6. Step 6: Final answer
    x = 5,426.34

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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.