Home / 8,122.05-11,208.39-4,396.05

Finding the Fourth Proportional to 8,122.05, 11,208.39 and 4,396.05

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Solution

The fourth proportional to 8,122.05, 11,208.39 and 4,396.05 is: 6,066.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.05 : 11,208.39 = 4,396.05 : x
  2. Step 2: Convert to fraction form
    8,122.05/11,208.39 = 4,396.05/x
  3. Step 3: Cross multiply
    8,122.05x = 11,208.39 × 4,396.05
  4. Step 4: Simplify right side
    8,122.05x = 49,272,642.86
  5. Step 5: Solve for x
    x = 49,272,642.86/8,122.05
  6. Step 6: Final answer
    x = 6,066.53

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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.