Home / 5,331.85-7,996.95-1,821.96

Finding the Fourth Proportional to 5,331.85, 7,996.95 and 1,821.96

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Solution

The fourth proportional to 5,331.85, 7,996.95 and 1,821.96 is: 2,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.85 : 7,996.95 = 1,821.96 : x
  2. Step 2: Convert to fraction form
    5,331.85/7,996.95 = 1,821.96/x
  3. Step 3: Cross multiply
    5,331.85x = 7,996.95 × 1,821.96
  4. Step 4: Simplify right side
    5,331.85x = 14,570,123.02
  5. Step 5: Solve for x
    x = 14,570,123.02/5,331.85
  6. Step 6: Final answer
    x = 2,732.66

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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.