Home / 8,174.20-12,266.69-4,479.03

Finding the Fourth Proportional to 8,174.20, 12,266.69 and 4,479.03

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Solution

The fourth proportional to 8,174.20, 12,266.69 and 4,479.03 is: 6,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.20 : 12,266.69 = 4,479.03 : x
  2. Step 2: Convert to fraction form
    8,174.20/12,266.69 = 4,479.03/x
  3. Step 3: Cross multiply
    8,174.20x = 12,266.69 × 4,479.03
  4. Step 4: Simplify right side
    8,174.20x = 54,942,849.44
  5. Step 5: Solve for x
    x = 54,942,849.44/8,174.20
  6. Step 6: Final answer
    x = 6,721.49

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1.5x scale

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.