Home / 8,200.44-11,318.67-4,664.79

Finding the Fourth Proportional to 8,200.44, 11,318.67 and 4,664.79

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Solution

The fourth proportional to 8,200.44, 11,318.67 and 4,664.79 is: 6,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.44 : 11,318.67 = 4,664.79 : x
  2. Step 2: Convert to fraction form
    8,200.44/11,318.67 = 4,664.79/x
  3. Step 3: Cross multiply
    8,200.44x = 11,318.67 × 4,664.79
  4. Step 4: Simplify right side
    8,200.44x = 52,799,218.63
  5. Step 5: Solve for x
    x = 52,799,218.63/8,200.44
  6. Step 6: Final answer
    x = 6,438.58

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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.