Home / 5,421.21-8,132.94-3,082.29

Finding the Fourth Proportional to 5,421.21, 8,132.94 and 3,082.29

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Solution

The fourth proportional to 5,421.21, 8,132.94 and 3,082.29 is: 4,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.21 : 8,132.94 = 3,082.29 : x
  2. Step 2: Convert to fraction form
    5,421.21/8,132.94 = 3,082.29/x
  3. Step 3: Cross multiply
    5,421.21x = 8,132.94 × 3,082.29
  4. Step 4: Simplify right side
    5,421.21x = 25,068,079.63
  5. Step 5: Solve for x
    x = 25,068,079.63/5,421.21
  6. Step 6: Final answer
    x = 4,624.07

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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.