Home / 8,835.20-13,233.60-5,724.80

Finding the Fourth Proportional to 8,835.20, 13,233.60 and 5,724.80

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Solution

The fourth proportional to 8,835.20, 13,233.60 and 5,724.80 is: 8,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.20 : 13,233.60 = 5,724.80 : x
  2. Step 2: Convert to fraction form
    8,835.20/13,233.60 = 5,724.80/x
  3. Step 3: Cross multiply
    8,835.20x = 13,233.60 × 5,724.80
  4. Step 4: Simplify right side
    8,835.20x = 75,759,713.28
  5. Step 5: Solve for x
    x = 75,759,713.28/8,835.20
  6. Step 6: Final answer
    x = 8,574.76

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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.