Home / 6,923.64-9,554.91-3,939.99

Finding the Fourth Proportional to 6,923.64, 9,554.91 and 3,939.99

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Solution

The fourth proportional to 6,923.64, 9,554.91 and 3,939.99 is: 5,437.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.64 : 9,554.91 = 3,939.99 : x
  2. Step 2: Convert to fraction form
    6,923.64/9,554.91 = 3,939.99/x
  3. Step 3: Cross multiply
    6,923.64x = 9,554.91 × 3,939.99
  4. Step 4: Simplify right side
    6,923.64x = 37,646,249.85
  5. Step 5: Solve for x
    x = 37,646,249.85/6,923.64
  6. Step 6: Final answer
    x = 5,437.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.