Home / 5,475.34-8,216.97-2,189.35

Finding the Fourth Proportional to 5,475.34, 8,216.97 and 2,189.35

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Solution

The fourth proportional to 5,475.34, 8,216.97 and 2,189.35 is: 3,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.34 : 8,216.97 = 2,189.35 : x
  2. Step 2: Convert to fraction form
    5,475.34/8,216.97 = 2,189.35/x
  3. Step 3: Cross multiply
    5,475.34x = 8,216.97 × 2,189.35
  4. Step 4: Simplify right side
    5,475.34x = 17,989,859.21
  5. Step 5: Solve for x
    x = 17,989,859.21/5,475.34
  6. Step 6: Final answer
    x = 3,285.61

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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.