Home / 5,421.70-8,134.00-2,301.89

Finding the Fourth Proportional to 5,421.70, 8,134.00 and 2,301.89

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Solution

The fourth proportional to 5,421.70, 8,134.00 and 2,301.89 is: 3,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.70 : 8,134.00 = 2,301.89 : x
  2. Step 2: Convert to fraction form
    5,421.70/8,134.00 = 2,301.89/x
  3. Step 3: Cross multiply
    5,421.70x = 8,134.00 × 2,301.89
  4. Step 4: Simplify right side
    5,421.70x = 18,723,526.84
  5. Step 5: Solve for x
    x = 18,723,526.84/5,421.70
  6. Step 6: Final answer
    x = 3,453.44

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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.