Home / 5,213.08-7,812.34-3,745.36

Finding the Fourth Proportional to 5,213.08, 7,812.34 and 3,745.36

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Solution

The fourth proportional to 5,213.08, 7,812.34 and 3,745.36 is: 5,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.08 : 7,812.34 = 3,745.36 : x
  2. Step 2: Convert to fraction form
    5,213.08/7,812.34 = 3,745.36/x
  3. Step 3: Cross multiply
    5,213.08x = 7,812.34 × 3,745.36
  4. Step 4: Simplify right side
    5,213.08x = 29,260,025.74
  5. Step 5: Solve for x
    x = 29,260,025.74/5,213.08
  6. Step 6: Final answer
    x = 5,612.81

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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.