Home / 4,161.71-6,242.87-1,240.04

Finding the Fourth Proportional to 4,161.71, 6,242.87 and 1,240.04

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Solution

The fourth proportional to 4,161.71, 6,242.87 and 1,240.04 is: 1,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.71 : 6,242.87 = 1,240.04 : x
  2. Step 2: Convert to fraction form
    4,161.71/6,242.87 = 1,240.04/x
  3. Step 3: Cross multiply
    4,161.71x = 6,242.87 × 1,240.04
  4. Step 4: Simplify right side
    4,161.71x = 7,741,427.22
  5. Step 5: Solve for x
    x = 7,741,427.22/4,161.71
  6. Step 6: Final answer
    x = 1,860.15

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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.