Home / 8,202.24-12,310.74-3,817.80

Finding the Fourth Proportional to 8,202.24, 12,310.74 and 3,817.80

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Solution

The fourth proportional to 8,202.24, 12,310.74 and 3,817.80 is: 5,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.24 : 12,310.74 = 3,817.80 : x
  2. Step 2: Convert to fraction form
    8,202.24/12,310.74 = 3,817.80/x
  3. Step 3: Cross multiply
    8,202.24x = 12,310.74 × 3,817.80
  4. Step 4: Simplify right side
    8,202.24x = 46,999,943.17
  5. Step 5: Solve for x
    x = 46,999,943.17/8,202.24
  6. Step 6: Final answer
    x = 5,730.14

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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.