Home / 6,609.12-9,120.49-3,624.99

Finding the Fourth Proportional to 6,609.12, 9,120.49 and 3,624.99

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Solution

The fourth proportional to 6,609.12, 9,120.49 and 3,624.99 is: 5,002.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.12 : 9,120.49 = 3,624.99 : x
  2. Step 2: Convert to fraction form
    6,609.12/9,120.49 = 3,624.99/x
  3. Step 3: Cross multiply
    6,609.12x = 9,120.49 × 3,624.99
  4. Step 4: Simplify right side
    6,609.12x = 33,061,685.05
  5. Step 5: Solve for x
    x = 33,061,685.05/6,609.12
  6. Step 6: Final answer
    x = 5,002.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.