Home / 8,083.94-12,121.20-4,572.16

Finding the Fourth Proportional to 8,083.94, 12,121.20 and 4,572.16

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Solution

The fourth proportional to 8,083.94, 12,121.20 and 4,572.16 is: 6,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.94 : 12,121.20 = 4,572.16 : x
  2. Step 2: Convert to fraction form
    8,083.94/12,121.20 = 4,572.16/x
  3. Step 3: Cross multiply
    8,083.94x = 12,121.20 × 4,572.16
  4. Step 4: Simplify right side
    8,083.94x = 55,420,065.79
  5. Step 5: Solve for x
    x = 55,420,065.79/8,083.94
  6. Step 6: Final answer
    x = 6,855.58

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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.