Home / 4,449.82-6,143.60-2,857.15

Finding the Fourth Proportional to 4,449.82, 6,143.60 and 2,857.15

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Solution

The fourth proportional to 4,449.82, 6,143.60 and 2,857.15 is: 3,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.82 : 6,143.60 = 2,857.15 : x
  2. Step 2: Convert to fraction form
    4,449.82/6,143.60 = 2,857.15/x
  3. Step 3: Cross multiply
    4,449.82x = 6,143.60 × 2,857.15
  4. Step 4: Simplify right side
    4,449.82x = 17,553,186.74
  5. Step 5: Solve for x
    x = 17,553,186.74/4,449.82
  6. Step 6: Final answer
    x = 3,944.70

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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.