Home / 9,855.20-14,782.17-3,279.62

Finding the Fourth Proportional to 9,855.20, 14,782.17 and 3,279.62

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Solution

The fourth proportional to 9,855.20, 14,782.17 and 3,279.62 is: 4,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.20 : 14,782.17 = 3,279.62 : x
  2. Step 2: Convert to fraction form
    9,855.20/14,782.17 = 3,279.62/x
  3. Step 3: Cross multiply
    9,855.20x = 14,782.17 × 3,279.62
  4. Step 4: Simplify right side
    9,855.20x = 48,479,900.38
  5. Step 5: Solve for x
    x = 48,479,900.38/9,855.20
  6. Step 6: Final answer
    x = 4,919.22

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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.