Home / 5,289.84-7,936.92-2,827.44

Finding the Fourth Proportional to 5,289.84, 7,936.92 and 2,827.44

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Solution

The fourth proportional to 5,289.84, 7,936.92 and 2,827.44 is: 4,242.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.84 : 7,936.92 = 2,827.44 : x
  2. Step 2: Convert to fraction form
    5,289.84/7,936.92 = 2,827.44/x
  3. Step 3: Cross multiply
    5,289.84x = 7,936.92 × 2,827.44
  4. Step 4: Simplify right side
    5,289.84x = 22,441,165.08
  5. Step 5: Solve for x
    x = 22,441,165.08/5,289.84
  6. Step 6: Final answer
    x = 4,242.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.