Home / 6,689.27-9,230.93-3,664.34

Finding the Fourth Proportional to 6,689.27, 9,230.93 and 3,664.34

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Solution

The fourth proportional to 6,689.27, 9,230.93 and 3,664.34 is: 5,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.27 : 9,230.93 = 3,664.34 : x
  2. Step 2: Convert to fraction form
    6,689.27/9,230.93 = 3,664.34/x
  3. Step 3: Cross multiply
    6,689.27x = 9,230.93 × 3,664.34
  4. Step 4: Simplify right side
    6,689.27x = 33,825,201.56
  5. Step 5: Solve for x
    x = 33,825,201.56/6,689.27
  6. Step 6: Final answer
    x = 5,056.64

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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.