Home / 8,106.24-12,152.52-4,198.80

Finding the Fourth Proportional to 8,106.24, 12,152.52 and 4,198.80

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Solution

The fourth proportional to 8,106.24, 12,152.52 and 4,198.80 is: 6,294.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.24 : 12,152.52 = 4,198.80 : x
  2. Step 2: Convert to fraction form
    8,106.24/12,152.52 = 4,198.80/x
  3. Step 3: Cross multiply
    8,106.24x = 12,152.52 × 4,198.80
  4. Step 4: Simplify right side
    8,106.24x = 51,026,000.98
  5. Step 5: Solve for x
    x = 51,026,000.98/8,106.24
  6. Step 6: Final answer
    x = 6,294.66

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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.