Home / 8,573.28-12,864.80-3,382.80

Finding the Fourth Proportional to 8,573.28, 12,864.80 and 3,382.80

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Solution

The fourth proportional to 8,573.28, 12,864.80 and 3,382.80 is: 5,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,573.28 : 12,864.80 = 3,382.80 : x
  2. Step 2: Convert to fraction form
    8,573.28/12,864.80 = 3,382.80/x
  3. Step 3: Cross multiply
    8,573.28x = 12,864.80 × 3,382.80
  4. Step 4: Simplify right side
    8,573.28x = 43,519,045.44
  5. Step 5: Solve for x
    x = 43,519,045.44/8,573.28
  6. Step 6: Final answer
    x = 5,076.13

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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.