Home / 8,122.11-11,204.94-4,763.22

Finding the Fourth Proportional to 8,122.11, 11,204.94 and 4,763.22

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Solution

The fourth proportional to 8,122.11, 11,204.94 and 4,763.22 is: 6,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.11 : 11,204.94 = 4,763.22 : x
  2. Step 2: Convert to fraction form
    8,122.11/11,204.94 = 4,763.22/x
  3. Step 3: Cross multiply
    8,122.11x = 11,204.94 × 4,763.22
  4. Step 4: Simplify right side
    8,122.11x = 53,371,594.31
  5. Step 5: Solve for x
    x = 53,371,594.31/8,122.11
  6. Step 6: Final answer
    x = 6,571.15

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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.