Home / 4,164.82-6,247.23-1,390.86

Finding the Fourth Proportional to 4,164.82, 6,247.23 and 1,390.86

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Solution

The fourth proportional to 4,164.82, 6,247.23 and 1,390.86 is: 2,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.82 : 6,247.23 = 1,390.86 : x
  2. Step 2: Convert to fraction form
    4,164.82/6,247.23 = 1,390.86/x
  3. Step 3: Cross multiply
    4,164.82x = 6,247.23 × 1,390.86
  4. Step 4: Simplify right side
    4,164.82x = 8,689,024.93
  5. Step 5: Solve for x
    x = 8,689,024.93/4,164.82
  6. Step 6: Final answer
    x = 2,086.29

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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.