Home / 4,251.06-6,371.49-1,785

Finding the Fourth Proportional to 4,251.06, 6,371.49 and 1,785

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Solution

The fourth proportional to 4,251.06, 6,371.49 and 1,785 is: 2,675.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.06 : 6,371.49 = 1,785 : x
  2. Step 2: Convert to fraction form
    4,251.06/6,371.49 = 1,785/x
  3. Step 3: Cross multiply
    4,251.06x = 6,371.49 × 1,785
  4. Step 4: Simplify right side
    4,251.06x = 11,373,109.65
  5. Step 5: Solve for x
    x = 11,373,109.65/4,251.06
  6. Step 6: Final answer
    x = 2,675.36

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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.