Home / 4,939.49-6,813.29-3,168.29

Finding the Fourth Proportional to 4,939.49, 6,813.29 and 3,168.29

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Solution

The fourth proportional to 4,939.49, 6,813.29 and 3,168.29 is: 4,370.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.49 : 6,813.29 = 3,168.29 : x
  2. Step 2: Convert to fraction form
    4,939.49/6,813.29 = 3,168.29/x
  3. Step 3: Cross multiply
    4,939.49x = 6,813.29 × 3,168.29
  4. Step 4: Simplify right side
    4,939.49x = 21,586,462.73
  5. Step 5: Solve for x
    x = 21,586,462.73/4,939.49
  6. Step 6: Final answer
    x = 4,370.18

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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.