Home / 4,456.99-6,687.71-1,993.57

Finding the Fourth Proportional to 4,456.99, 6,687.71 and 1,993.57

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Solution

The fourth proportional to 4,456.99, 6,687.71 and 1,993.57 is: 2,991.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.99 : 6,687.71 = 1,993.57 : x
  2. Step 2: Convert to fraction form
    4,456.99/6,687.71 = 1,993.57/x
  3. Step 3: Cross multiply
    4,456.99x = 6,687.71 × 1,993.57
  4. Step 4: Simplify right side
    4,456.99x = 13,332,418.02
  5. Step 5: Solve for x
    x = 13,332,418.02/4,456.99
  6. Step 6: Final answer
    x = 2,991.35

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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.