Home / 5,412.20-8,123.10-3,682.04

Finding the Fourth Proportional to 5,412.20, 8,123.10 and 3,682.04

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Solution

The fourth proportional to 5,412.20, 8,123.10 and 3,682.04 is: 5,526.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.20 : 8,123.10 = 3,682.04 : x
  2. Step 2: Convert to fraction form
    5,412.20/8,123.10 = 3,682.04/x
  3. Step 3: Cross multiply
    5,412.20x = 8,123.10 × 3,682.04
  4. Step 4: Simplify right side
    5,412.20x = 29,909,579.12
  5. Step 5: Solve for x
    x = 29,909,579.12/5,412.20
  6. Step 6: Final answer
    x = 5,526.33

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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.