Home / 6,785.11-10,177.68-3,319.93

Finding the Fourth Proportional to 6,785.11, 10,177.68 and 3,319.93

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Solution

The fourth proportional to 6,785.11, 10,177.68 and 3,319.93 is: 4,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.11 : 10,177.68 = 3,319.93 : x
  2. Step 2: Convert to fraction form
    6,785.11/10,177.68 = 3,319.93/x
  3. Step 3: Cross multiply
    6,785.11x = 10,177.68 × 3,319.93
  4. Step 4: Simplify right side
    6,785.11x = 33,789,185.16
  5. Step 5: Solve for x
    x = 33,789,185.16/6,785.11
  6. Step 6: Final answer
    x = 4,979.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.