Home / 8,122.23-11,208.65-4,396.23

Finding the Fourth Proportional to 8,122.23, 11,208.65 and 4,396.23

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Solution

The fourth proportional to 8,122.23, 11,208.65 and 4,396.23 is: 6,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.23 : 11,208.65 = 4,396.23 : x
  2. Step 2: Convert to fraction form
    8,122.23/11,208.65 = 4,396.23/x
  3. Step 3: Cross multiply
    8,122.23x = 11,208.65 × 4,396.23
  4. Step 4: Simplify right side
    8,122.23x = 49,275,781.41
  5. Step 5: Solve for x
    x = 49,275,781.41/8,122.23
  6. Step 6: Final answer
    x = 6,066.78

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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.