Home / 7,589.12-11,380.94-3,206.91

Finding the Fourth Proportional to 7,589.12, 11,380.94 and 3,206.91

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Solution

The fourth proportional to 7,589.12, 11,380.94 and 3,206.91 is: 4,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.12 : 11,380.94 = 3,206.91 : x
  2. Step 2: Convert to fraction form
    7,589.12/11,380.94 = 3,206.91/x
  3. Step 3: Cross multiply
    7,589.12x = 11,380.94 × 3,206.91
  4. Step 4: Simplify right side
    7,589.12x = 36,497,688.97
  5. Step 5: Solve for x
    x = 36,497,688.97/7,589.12
  6. Step 6: Final answer
    x = 4,809.22

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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.