Home / 8,928.80-13,387.76-3,997.52

Finding the Fourth Proportional to 8,928.80, 13,387.76 and 3,997.52

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Solution

The fourth proportional to 8,928.80, 13,387.76 and 3,997.52 is: 5,993.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.80 : 13,387.76 = 3,997.52 : x
  2. Step 2: Convert to fraction form
    8,928.80/13,387.76 = 3,997.52/x
  3. Step 3: Cross multiply
    8,928.80x = 13,387.76 × 3,997.52
  4. Step 4: Simplify right side
    8,928.80x = 53,517,838.36
  5. Step 5: Solve for x
    x = 53,517,838.36/8,928.80
  6. Step 6: Final answer
    x = 5,993.84

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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.