Home / 4,166.20-5,728.62-3,993.40

Finding the Fourth Proportional to 4,166.20, 5,728.62 and 3,993.40

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Solution

The fourth proportional to 4,166.20, 5,728.62 and 3,993.40 is: 5,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.20 : 5,728.62 = 3,993.40 : x
  2. Step 2: Convert to fraction form
    4,166.20/5,728.62 = 3,993.40/x
  3. Step 3: Cross multiply
    4,166.20x = 5,728.62 × 3,993.40
  4. Step 4: Simplify right side
    4,166.20x = 22,876,671.11
  5. Step 5: Solve for x
    x = 22,876,671.11/4,166.20
  6. Step 6: Final answer
    x = 5,491.02

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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.