Home / 8,212.20-11,328.96-4,852.77

Finding the Fourth Proportional to 8,212.20, 11,328.96 and 4,852.77

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Solution

The fourth proportional to 8,212.20, 11,328.96 and 4,852.77 is: 6,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.20 : 11,328.96 = 4,852.77 : x
  2. Step 2: Convert to fraction form
    8,212.20/11,328.96 = 4,852.77/x
  3. Step 3: Cross multiply
    8,212.20x = 11,328.96 × 4,852.77
  4. Step 4: Simplify right side
    8,212.20x = 54,976,837.22
  5. Step 5: Solve for x
    x = 54,976,837.22/8,212.20
  6. Step 6: Final answer
    x = 6,694.53

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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.