Home / 8,148.54-12,221.88-3,764.82

Finding the Fourth Proportional to 8,148.54, 12,221.88 and 3,764.82

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Solution

The fourth proportional to 8,148.54, 12,221.88 and 3,764.82 is: 5,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.54 : 12,221.88 = 3,764.82 : x
  2. Step 2: Convert to fraction form
    8,148.54/12,221.88 = 3,764.82/x
  3. Step 3: Cross multiply
    8,148.54x = 12,221.88 × 3,764.82
  4. Step 4: Simplify right side
    8,148.54x = 46,013,178.26
  5. Step 5: Solve for x
    x = 46,013,178.26/8,148.54
  6. Step 6: Final answer
    x = 5,646.80

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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.