Home / 8,239.52-12,359.96-2,692.74

Finding the Fourth Proportional to 8,239.52, 12,359.96 and 2,692.74

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Solution

The fourth proportional to 8,239.52, 12,359.96 and 2,692.74 is: 4,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.52 : 12,359.96 = 2,692.74 : x
  2. Step 2: Convert to fraction form
    8,239.52/12,359.96 = 2,692.74/x
  3. Step 3: Cross multiply
    8,239.52x = 12,359.96 × 2,692.74
  4. Step 4: Simplify right side
    8,239.52x = 33,282,158.69
  5. Step 5: Solve for x
    x = 33,282,158.69/8,239.52
  6. Step 6: Final answer
    x = 4,039.33

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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.