Home / 6,679.38-10,013.67-2,786.70

Finding the Fourth Proportional to 6,679.38, 10,013.67 and 2,786.70

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Solution

The fourth proportional to 6,679.38, 10,013.67 and 2,786.70 is: 4,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.38 : 10,013.67 = 2,786.70 : x
  2. Step 2: Convert to fraction form
    6,679.38/10,013.67 = 2,786.70/x
  3. Step 3: Cross multiply
    6,679.38x = 10,013.67 × 2,786.70
  4. Step 4: Simplify right side
    6,679.38x = 27,905,094.19
  5. Step 5: Solve for x
    x = 27,905,094.19/6,679.38
  6. Step 6: Final answer
    x = 4,177.80

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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.