Home / 4,939.70-6,814.87-3,047.99

Finding the Fourth Proportional to 4,939.70, 6,814.87 and 3,047.99

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Solution

The fourth proportional to 4,939.70, 6,814.87 and 3,047.99 is: 4,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.70 : 6,814.87 = 3,047.99 : x
  2. Step 2: Convert to fraction form
    4,939.70/6,814.87 = 3,047.99/x
  3. Step 3: Cross multiply
    4,939.70x = 6,814.87 × 3,047.99
  4. Step 4: Simplify right side
    4,939.70x = 20,771,655.61
  5. Step 5: Solve for x
    x = 20,771,655.61/4,939.70
  6. Step 6: Final answer
    x = 4,205.04

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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.