Home / 4,305.30-5,939.78-2,814.08

Finding the Fourth Proportional to 4,305.30, 5,939.78 and 2,814.08

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Solution

The fourth proportional to 4,305.30, 5,939.78 and 2,814.08 is: 3,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.30 : 5,939.78 = 2,814.08 : x
  2. Step 2: Convert to fraction form
    4,305.30/5,939.78 = 2,814.08/x
  3. Step 3: Cross multiply
    4,305.30x = 5,939.78 × 2,814.08
  4. Step 4: Simplify right side
    4,305.30x = 16,715,004.38
  5. Step 5: Solve for x
    x = 16,715,004.38/4,305.30
  6. Step 6: Final answer
    x = 3,882.43

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1.5x scale

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.