Home / 5,423.72-8,127.06-3,231.26

Finding the Fourth Proportional to 5,423.72, 8,127.06 and 3,231.26

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Solution

The fourth proportional to 5,423.72, 8,127.06 and 3,231.26 is: 4,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.72 : 8,127.06 = 3,231.26 : x
  2. Step 2: Convert to fraction form
    5,423.72/8,127.06 = 3,231.26/x
  3. Step 3: Cross multiply
    5,423.72x = 8,127.06 × 3,231.26
  4. Step 4: Simplify right side
    5,423.72x = 26,260,603.26
  5. Step 5: Solve for x
    x = 26,260,603.26/5,423.72
  6. Step 6: Final answer
    x = 4,841.81

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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.