Home / 4,431.74-6,115.83-2,857.82

Finding the Fourth Proportional to 4,431.74, 6,115.83 and 2,857.82

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Solution

The fourth proportional to 4,431.74, 6,115.83 and 2,857.82 is: 3,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.74 : 6,115.83 = 2,857.82 : x
  2. Step 2: Convert to fraction form
    4,431.74/6,115.83 = 2,857.82/x
  3. Step 3: Cross multiply
    4,431.74x = 6,115.83 × 2,857.82
  4. Step 4: Simplify right side
    4,431.74x = 17,477,941.29
  5. Step 5: Solve for x
    x = 17,477,941.29/4,431.74
  6. Step 6: Final answer
    x = 3,943.81

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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.