Home / 6,609.43-9,118.33-4,509.91

Finding the Fourth Proportional to 6,609.43, 9,118.33 and 4,509.91

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Solution

The fourth proportional to 6,609.43, 9,118.33 and 4,509.91 is: 6,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.43 : 9,118.33 = 4,509.91 : x
  2. Step 2: Convert to fraction form
    6,609.43/9,118.33 = 4,509.91/x
  3. Step 3: Cross multiply
    6,609.43x = 9,118.33 × 4,509.91
  4. Step 4: Simplify right side
    6,609.43x = 41,122,847.65
  5. Step 5: Solve for x
    x = 41,122,847.65/6,609.43
  6. Step 6: Final answer
    x = 6,221.84

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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.