Home / 4,179.87-6,271.47-1,869.75

Finding the Fourth Proportional to 4,179.87, 6,271.47 and 1,869.75

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Solution

The fourth proportional to 4,179.87, 6,271.47 and 1,869.75 is: 2,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.87 : 6,271.47 = 1,869.75 : x
  2. Step 2: Convert to fraction form
    4,179.87/6,271.47 = 1,869.75/x
  3. Step 3: Cross multiply
    4,179.87x = 6,271.47 × 1,869.75
  4. Step 4: Simplify right side
    4,179.87x = 11,726,081.03
  5. Step 5: Solve for x
    x = 11,726,081.03/4,179.87
  6. Step 6: Final answer
    x = 2,805.37

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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.