Home / 4,185.12-5,773.68-2,788.32

Finding the Fourth Proportional to 4,185.12, 5,773.68 and 2,788.32

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Solution

The fourth proportional to 4,185.12, 5,773.68 and 2,788.32 is: 3,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.12 : 5,773.68 = 2,788.32 : x
  2. Step 2: Convert to fraction form
    4,185.12/5,773.68 = 2,788.32/x
  3. Step 3: Cross multiply
    4,185.12x = 5,773.68 × 2,788.32
  4. Step 4: Simplify right side
    4,185.12x = 16,098,867.42
  5. Step 5: Solve for x
    x = 16,098,867.42/4,185.12
  6. Step 6: Final answer
    x = 3,846.69

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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.