Home / 5,193.50-7,167.69-3,428.78

Finding the Fourth Proportional to 5,193.50, 7,167.69 and 3,428.78

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Solution

The fourth proportional to 5,193.50, 7,167.69 and 3,428.78 is: 4,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.50 : 7,167.69 = 3,428.78 : x
  2. Step 2: Convert to fraction form
    5,193.50/7,167.69 = 3,428.78/x
  3. Step 3: Cross multiply
    5,193.50x = 7,167.69 × 3,428.78
  4. Step 4: Simplify right side
    5,193.50x = 24,576,432.12
  5. Step 5: Solve for x
    x = 24,576,432.12/5,193.50
  6. Step 6: Final answer
    x = 4,732.15

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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.