Home / 4,969.13-6,857.40-2,731.13

Finding the Fourth Proportional to 4,969.13, 6,857.40 and 2,731.13

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Solution

The fourth proportional to 4,969.13, 6,857.40 and 2,731.13 is: 3,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.13 : 6,857.40 = 2,731.13 : x
  2. Step 2: Convert to fraction form
    4,969.13/6,857.40 = 2,731.13/x
  3. Step 3: Cross multiply
    4,969.13x = 6,857.40 × 2,731.13
  4. Step 4: Simplify right side
    4,969.13x = 18,728,416.58
  5. Step 5: Solve for x
    x = 18,728,416.58/4,969.13
  6. Step 6: Final answer
    x = 3,768.96

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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.