Home / 5,223.20-7,828.12-3,651

Finding the Fourth Proportional to 5,223.20, 7,828.12 and 3,651

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Solution

The fourth proportional to 5,223.20, 7,828.12 and 3,651 is: 5,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.20 : 7,828.12 = 3,651 : x
  2. Step 2: Convert to fraction form
    5,223.20/7,828.12 = 3,651/x
  3. Step 3: Cross multiply
    5,223.20x = 7,828.12 × 3,651
  4. Step 4: Simplify right side
    5,223.20x = 28,580,466.12
  5. Step 5: Solve for x
    x = 28,580,466.12/5,223.20
  6. Step 6: Final answer
    x = 5,471.83

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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.