Home / 5,421.89-8,133.92-2,301.87

Finding the Fourth Proportional to 5,421.89, 8,133.92 and 2,301.87

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Solution

The fourth proportional to 5,421.89, 8,133.92 and 2,301.87 is: 3,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.89 : 8,133.92 = 2,301.87 : x
  2. Step 2: Convert to fraction form
    5,421.89/8,133.92 = 2,301.87/x
  3. Step 3: Cross multiply
    5,421.89x = 8,133.92 × 2,301.87
  4. Step 4: Simplify right side
    5,421.89x = 18,723,184.42
  5. Step 5: Solve for x
    x = 18,723,184.42/5,421.89
  6. Step 6: Final answer
    x = 3,453.26

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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.