Home / 6,678.39-10,016.71-2,979.77

Finding the Fourth Proportional to 6,678.39, 10,016.71 and 2,979.77

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Solution

The fourth proportional to 6,678.39, 10,016.71 and 2,979.77 is: 4,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.39 : 10,016.71 = 2,979.77 : x
  2. Step 2: Convert to fraction form
    6,678.39/10,016.71 = 2,979.77/x
  3. Step 3: Cross multiply
    6,678.39x = 10,016.71 × 2,979.77
  4. Step 4: Simplify right side
    6,678.39x = 29,847,434.42
  5. Step 5: Solve for x
    x = 29,847,434.42/6,678.39
  6. Step 6: Final answer
    x = 4,469.25

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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.