Home / 4,145.63-6,217.12-1,371.79

Finding the Fourth Proportional to 4,145.63, 6,217.12 and 1,371.79

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Solution

The fourth proportional to 4,145.63, 6,217.12 and 1,371.79 is: 2,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.63 : 6,217.12 = 1,371.79 : x
  2. Step 2: Convert to fraction form
    4,145.63/6,217.12 = 1,371.79/x
  3. Step 3: Cross multiply
    4,145.63x = 6,217.12 × 1,371.79
  4. Step 4: Simplify right side
    4,145.63x = 8,528,583.04
  5. Step 5: Solve for x
    x = 8,528,583.04/4,145.63
  6. Step 6: Final answer
    x = 2,057.25

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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.