Home / 5,446.48-8,164.32-2,157.52

Finding the Fourth Proportional to 5,446.48, 8,164.32 and 2,157.52

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Solution

The fourth proportional to 5,446.48, 8,164.32 and 2,157.52 is: 3,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.48 : 8,164.32 = 2,157.52 : x
  2. Step 2: Convert to fraction form
    5,446.48/8,164.32 = 2,157.52/x
  3. Step 3: Cross multiply
    5,446.48x = 8,164.32 × 2,157.52
  4. Step 4: Simplify right side
    5,446.48x = 17,614,683.69
  5. Step 5: Solve for x
    x = 17,614,683.69/5,446.48
  6. Step 6: Final answer
    x = 3,234.14

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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.