Home / 6,899.38-10,324.44-5,978.09

Finding the Fourth Proportional to 6,899.38, 10,324.44 and 5,978.09

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Solution

The fourth proportional to 6,899.38, 10,324.44 and 5,978.09 is: 8,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.38 : 10,324.44 = 5,978.09 : x
  2. Step 2: Convert to fraction form
    6,899.38/10,324.44 = 5,978.09/x
  3. Step 3: Cross multiply
    6,899.38x = 10,324.44 × 5,978.09
  4. Step 4: Simplify right side
    6,899.38x = 61,720,431.52
  5. Step 5: Solve for x
    x = 61,720,431.52/6,899.38
  6. Step 6: Final answer
    x = 8,945.79

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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.