Home / 4,969.89-6,858.63-2,731.84

Finding the Fourth Proportional to 4,969.89, 6,858.63 and 2,731.84

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Solution

The fourth proportional to 4,969.89, 6,858.63 and 2,731.84 is: 3,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.89 : 6,858.63 = 2,731.84 : x
  2. Step 2: Convert to fraction form
    4,969.89/6,858.63 = 2,731.84/x
  3. Step 3: Cross multiply
    4,969.89x = 6,858.63 × 2,731.84
  4. Step 4: Simplify right side
    4,969.89x = 18,736,662.63
  5. Step 5: Solve for x
    x = 18,736,662.63/4,969.89
  6. Step 6: Final answer
    x = 3,770.04

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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.