Home / 8,626.72-12,943.44-3,433.12

Finding the Fourth Proportional to 8,626.72, 12,943.44 and 3,433.12

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Solution

The fourth proportional to 8,626.72, 12,943.44 and 3,433.12 is: 5,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.72 : 12,943.44 = 3,433.12 : x
  2. Step 2: Convert to fraction form
    8,626.72/12,943.44 = 3,433.12/x
  3. Step 3: Cross multiply
    8,626.72x = 12,943.44 × 3,433.12
  4. Step 4: Simplify right side
    8,626.72x = 44,436,382.73
  5. Step 5: Solve for x
    x = 44,436,382.73/8,626.72
  6. Step 6: Final answer
    x = 5,151.02

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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.