Home / 6,686.16-9,226.91-3,661.27

Finding the Fourth Proportional to 6,686.16, 9,226.91 and 3,661.27

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Solution

The fourth proportional to 6,686.16, 9,226.91 and 3,661.27 is: 5,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.16 : 9,226.91 = 3,661.27 : x
  2. Step 2: Convert to fraction form
    6,686.16/9,226.91 = 3,661.27/x
  3. Step 3: Cross multiply
    6,686.16x = 9,226.91 × 3,661.27
  4. Step 4: Simplify right side
    6,686.16x = 33,782,194.86
  5. Step 5: Solve for x
    x = 33,782,194.86/6,686.16
  6. Step 6: Final answer
    x = 5,052.55

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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.