Home / 4,147.25-6,218.84-1,809.23

Finding the Fourth Proportional to 4,147.25, 6,218.84 and 1,809.23

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Solution

The fourth proportional to 4,147.25, 6,218.84 and 1,809.23 is: 2,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.25 : 6,218.84 = 1,809.23 : x
  2. Step 2: Convert to fraction form
    4,147.25/6,218.84 = 1,809.23/x
  3. Step 3: Cross multiply
    4,147.25x = 6,218.84 × 1,809.23
  4. Step 4: Simplify right side
    4,147.25x = 11,251,285.32
  5. Step 5: Solve for x
    x = 11,251,285.32/4,147.25
  6. Step 6: Final answer
    x = 2,712.95

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1.5x scale

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.