Home / 6,689.20-9,230.84-3,664.27

Finding the Fourth Proportional to 6,689.20, 9,230.84 and 3,664.27

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Solution

The fourth proportional to 6,689.20, 9,230.84 and 3,664.27 is: 5,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.20 : 9,230.84 = 3,664.27 : x
  2. Step 2: Convert to fraction form
    6,689.20/9,230.84 = 3,664.27/x
  3. Step 3: Cross multiply
    6,689.20x = 9,230.84 × 3,664.27
  4. Step 4: Simplify right side
    6,689.20x = 33,824,290.09
  5. Step 5: Solve for x
    x = 33,824,290.09/6,689.20
  6. Step 6: Final answer
    x = 5,056.55

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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.