Home / 6,678.27-10,010.90-2,783.79

Finding the Fourth Proportional to 6,678.27, 10,010.90 and 2,783.79

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Solution

The fourth proportional to 6,678.27, 10,010.90 and 2,783.79 is: 4,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.27 : 10,010.90 = 2,783.79 : x
  2. Step 2: Convert to fraction form
    6,678.27/10,010.90 = 2,783.79/x
  3. Step 3: Cross multiply
    6,678.27x = 10,010.90 × 2,783.79
  4. Step 4: Simplify right side
    6,678.27x = 27,868,229.39
  5. Step 5: Solve for x
    x = 27,868,229.39/6,678.27
  6. Step 6: Final answer
    x = 4,172.97

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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.