Home / 8,922.07-13,383.41-4,239.66

Finding the Fourth Proportional to 8,922.07, 13,383.41 and 4,239.66

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Solution

The fourth proportional to 8,922.07, 13,383.41 and 4,239.66 is: 6,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.07 : 13,383.41 = 4,239.66 : x
  2. Step 2: Convert to fraction form
    8,922.07/13,383.41 = 4,239.66/x
  3. Step 3: Cross multiply
    8,922.07x = 13,383.41 × 4,239.66
  4. Step 4: Simplify right side
    8,922.07x = 56,741,086.84
  5. Step 5: Solve for x
    x = 56,741,086.84/8,922.07
  6. Step 6: Final answer
    x = 6,359.63

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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.