Home / 8,269.27-12,405.61-2,722.95

Finding the Fourth Proportional to 8,269.27, 12,405.61 and 2,722.95

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Solution

The fourth proportional to 8,269.27, 12,405.61 and 2,722.95 is: 4,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.27 : 12,405.61 = 2,722.95 : x
  2. Step 2: Convert to fraction form
    8,269.27/12,405.61 = 2,722.95/x
  3. Step 3: Cross multiply
    8,269.27x = 12,405.61 × 2,722.95
  4. Step 4: Simplify right side
    8,269.27x = 33,779,855.75
  5. Step 5: Solve for x
    x = 33,779,855.75/8,269.27
  6. Step 6: Final answer
    x = 4,084.99

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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.