Home / 4,268.40-6,371.76-3,947.76

Finding the Fourth Proportional to 4,268.40, 6,371.76 and 3,947.76

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Solution

The fourth proportional to 4,268.40, 6,371.76 and 3,947.76 is: 5,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.40 : 6,371.76 = 3,947.76 : x
  2. Step 2: Convert to fraction form
    4,268.40/6,371.76 = 3,947.76/x
  3. Step 3: Cross multiply
    4,268.40x = 6,371.76 × 3,947.76
  4. Step 4: Simplify right side
    4,268.40x = 25,154,179.26
  5. Step 5: Solve for x
    x = 25,154,179.26/4,268.40
  6. Step 6: Final answer
    x = 5,893.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.