Home / 4,164.10-6,246.21-1,242.43

Finding the Fourth Proportional to 4,164.10, 6,246.21 and 1,242.43

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Solution

The fourth proportional to 4,164.10, 6,246.21 and 1,242.43 is: 1,863.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,164.10 : 6,246.21 = 1,242.43 : x
  2. Step 2: Convert to fraction form
    4,164.10/6,246.21 = 1,242.43/x
  3. Step 3: Cross multiply
    4,164.10x = 6,246.21 × 1,242.43
  4. Step 4: Simplify right side
    4,164.10x = 7,760,478.69
  5. Step 5: Solve for x
    x = 7,760,478.69/4,164.10
  6. Step 6: Final answer
    x = 1,863.66

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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.