Home / 8,554.52-12,833.40-2,712.80

Finding the Fourth Proportional to 8,554.52, 12,833.40 and 2,712.80

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Solution

The fourth proportional to 8,554.52, 12,833.40 and 2,712.80 is: 4,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.52 : 12,833.40 = 2,712.80 : x
  2. Step 2: Convert to fraction form
    8,554.52/12,833.40 = 2,712.80/x
  3. Step 3: Cross multiply
    8,554.52x = 12,833.40 × 2,712.80
  4. Step 4: Simplify right side
    8,554.52x = 34,814,447.52
  5. Step 5: Solve for x
    x = 34,814,447.52/8,554.52
  6. Step 6: Final answer
    x = 4,069.71

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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.