Home / 6,329.83-8,735.13-3,678.79

Finding the Fourth Proportional to 6,329.83, 8,735.13 and 3,678.79

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Solution

The fourth proportional to 6,329.83, 8,735.13 and 3,678.79 is: 5,076.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.83 : 8,735.13 = 3,678.79 : x
  2. Step 2: Convert to fraction form
    6,329.83/8,735.13 = 3,678.79/x
  3. Step 3: Cross multiply
    6,329.83x = 8,735.13 × 3,678.79
  4. Step 4: Simplify right side
    6,329.83x = 32,134,708.89
  5. Step 5: Solve for x
    x = 32,134,708.89/6,329.83
  6. Step 6: Final answer
    x = 5,076.71

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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.