Home / 5,423.23-8,136.03-2,305.90

Finding the Fourth Proportional to 5,423.23, 8,136.03 and 2,305.90

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Solution

The fourth proportional to 5,423.23, 8,136.03 and 2,305.90 is: 3,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.23 : 8,136.03 = 2,305.90 : x
  2. Step 2: Convert to fraction form
    5,423.23/8,136.03 = 2,305.90/x
  3. Step 3: Cross multiply
    5,423.23x = 8,136.03 × 2,305.90
  4. Step 4: Simplify right side
    5,423.23x = 18,760,890.39
  5. Step 5: Solve for x
    x = 18,760,890.39/5,423.23
  6. Step 6: Final answer
    x = 3,459.36

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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.